Robot vacuums / Compare

Dreame L40s Ultra vs Roborock Qrevo Edge 2

A

Product A: Dreame

L40s Ultra

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B

Product B: Roborock

Qrevo Edge 2

73 of 89 known

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Only differences

ADreame L40s Ultra

BRoborock Qrevo Edge 2

General

6 of 7 differ

Series

L Series1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Listed in the L Series menu of the Dreame US store. The L40s family has three models, L40s Ultra, Ultra AE and Ultra CE, with different hardware

Qrevo Edge2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026The maker site lists the Qrevo Edge 2 in its Qrevo Edge Series menu

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

RLL22SE, 010204AA000742, 010204AA0008231Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026US store SKUs 010204AA000742 (White) and 010204AA000823 (Black). RLL22SE is the robot model code from SmartHomeCompared and a reseller copy of the user manual. No maker page states it8Spec databasesmarthomecompared.com/robot-vacuums/dreame-l40s-ultraRead 15 October 2026SmartHomeCompared lists Model RLL22SE and Launch Year 2025

RRE0VPC, RR-QrevoEdge25-M1, RRDE-QrevoEdge25-M1, RRDE-QrevoEdge20-M11Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026US store SKU RR-QrevoEdge25-M1 in the store product data. RRE0VPC is the robot model in the manual. DE store SKUs RRDE-QrevoEdge25-M1 (black) and RRDE-QrevoEdge20-M1 (white) come from the German store product data. UK SKUs from the job brief were not confirmed and are not stored3Maker product pagede.roborock.com/products/roborock-qrevo-edge-2Read 14 October 2026German store SKUs RRDE-QrevoEdge25-M1 (black) and RRDE-QrevoEdge20-M1 (white)4Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026Basic Parameters (page 13): robot model RRE0VPC, dock EWFD68LRR. The manual covers the Qrevo Edge 2 and the QX Revo Ultra 2

GTIN / EAN

00850070805063, 008500708050701Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Barcodes 00850070805063 (White) and 00850070805070 (Black) in the US store variant data

195043007922, 6936905906601, 69369059065881Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026US store barcode 195043007922 (UPC-A). German store barcodes 6936905906601 (black) and 6936905906588 (white)3Maker product pagede.roborock.com/products/roborock-qrevo-edge-2Read 14 October 2026Store barcodes 6936905906601 (black) and 6936905906588 (white)

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

13 August 20252Press releasedreametech.com/blogs/news/dreame-l40s-series-robot-vacuum-launchRead 15 October 2026Article date 2025-08-13

Not available

Status

Available2Press releasedreametech.com/blogs/news/dreame-l40s-series-robot-vacuum-launchRead 15 October 2026Sold at the Dreame US store and Amazon in October 2026

Available1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026US store lists it for sale on 2026-10-14. Page text also says 'Out of stock, coming soon' next to a stock counter, so stock varies

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$1,399.991Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026US store regular price $1,399.99, sale price $569.99. Excludes tax2Press releasedreametech.com/blogs/news/dreame-l40s-series-robot-vacuum-launchRead 15 October 2026L40s Ultra MSRP $1,399.99. L40s Ultra AE $1,099.99 and CE $899.99

$1,299.991Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Store shows an original price of $1,299.99 with a sale price of $1,099.99. Vacuum Wars calls $1,299.99 the retail price. Excludes tax7Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 2026Review lists $1,299.99 and says the robot retails for around $1,300 but is often on sale. Price snapshot 2026-10-14

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

€889.993Maker product pagede.roborock.com/products/roborock-qrevo-edge-2Read 14 October 2026The store shows a crossed-out price of 889.99 EUR on the base model. smarthomeassistent.de states a UVP of 889.99 EUR at the May 2026 launch. The Qrevo Edge 2 Set with extra mops and bags lists 899.99 EUR. Includes VAT12Press articlesmarthomeassistent.de/deal-roborock-qrevo-edge-2-im-angebotRead 14 October 2026Article text: the Qrevo Edge 2 had a UVP of 889.99 EUR when it appeared in May 2026. Germany, includes VAT

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026US store

US, DE1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Roborock US and German stores

ColoursiThe maker's own colour names

White, Black1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Variant options White and Black

Black, White3Maker product pagede.roborock.com/products/roborock-qrevo-edge-2Read 14 October 2026Store color options Schwarz and Weiss

Suction and brushes

9 of 13 differ

Max suction (claimed)iThe maker's highest suction pressure claim in pascals. Each maker measures it in its own lab, so figures from different brands are not directly comparable. A claim such as "175x more suction" is not converted. A maker can claim another figure in another market, such as Roborock in the US, so it is per variant.

19,000Pa1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 202619,000Pa Vormax suction, in-house lab data

25,000Pa1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 20262Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 202625,000 Pa HyperForce suction. Based on internal maker testing

Suction power (claimed)iThe maker's suction power claim in air watts. Few robot makers publish it. Pascals are a different measure and go in Max suction.

Not available

Not available

Main brushesiNumber of main brush rolls under the robot. One roll split into two halves counts as one, and so do two cones tip to tip on one axis. Two rolls that turn against each other count as two.

21Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026The HyperStream Detangling DuoBrush has two rolls, a bristled rubber brush and a TPU rubber brush. The maker's comparison blog calls them counter-rotating rollers

17Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 2026DuoDivide is a single brush split in the center. One roll split into two halves counts as one. The manual lists main brushes in the plural

Main brush materialiMaterial of the main brush rolls. Rubber covers rubber blades and fins.

Rubber and bristle1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Rubber brush with bristles plus a TPU all-rubber brush

Rubber and bristle7Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 2026The review says the DuoDivide main brush has bristles. Roborock's gallery image shows a rubber half and a bristle half

Main brush (as published)iThe maker's name for the main brush, such as "DuoDivide Brush".

HyperStream Detangling DuoBrush1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026

DuoDivide Main Brush1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Gallery and feature text name the DuoDivide Main Brush2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026

Main brush liftiThe robot can raise its main brush off the floor, for example while it mops.

No1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026The comparison table marks Main Brush Lifting absent for the L40s Ultra and present for the AE and CE. The spec table has no such row. The comparison blog says the mops lift and the brush stays down

Yes1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Feature text lists a Liftable Main Brush under DirTect Technology2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026

Side brushesiSpinning edge brushes. 0 for a robot without one.

11Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026The in-box list has one side brush. The maker's comparison blog says all L40 models use one side brush

16Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page lists 1 side brush

Extending side brushiThe side brush or its arm swings outward to reach corners and wall edges. False only when the maker or a spec table says the feature is absent. Silence is a missing value.

Yes1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Side Brush Extending yes

Yes1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026FlexiArm Arc Side Brush and Edge Mopping reach deep into corners and toe-kick areas2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026

Side brush liftiThe robot can raise its side brush off the floor.

Yes1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Side Brush Lifting yes

Not available

Max carpet pile (claimed)iTallest carpet pile the maker says the robot can clean. It is not the threshold height the robot can climb. A carpet height the robot climbs onto or glides over, such as carpet climbing 3 cm, is not a pile height.

Not available

30mm10Reviewagdmaniak.pl/135774/roborock-qrevo-edge-2-opiniaRead 14 October 2026Parameter list: carpet cleaning up to 3 cm of pile. No maker page states it

Robot dustbiniDust capacity of the bin inside the robot. The base station's bag or bin is listed separately.

310mL1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Dust Box Capacity 310ml. The comparison table says at least 300ml

240mL6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page lists Robot Dustbin Capacity 240 ml. basic-tutorials.de, AGDmaniak and Smart Home Compared give 240 ml too9Reviewbasic-tutorials.de/tests/technik-gadgets/roborock-qrevo-edge-2-testRead 14 October 2026Spec table: Staubbehaelter Roboter 240 ml

FilteriPublished filter type or grade, such as "E11 HEPA". The robot's own filter. A dock filter goes in the source note.

Not available

EPA E1110Reviewagdmaniak.pl/135774/roborock-qrevo-edge-2-opiniaRead 14 October 2026Parameter list: filter type EPA E11. Vacuum Wars lists a HEPA filter without a grade

Washable filteriThe maker says the filter can be rinsed with water.

Not available

Yes4Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026Parts list names a Washable Filter in the dustbin and the maintenance section says to rinse it

Navigation and obstacles

8 of 8 differ

NavigationiHow the robot maps the home. A turret is a raised laser sensor on top. A retractable turret sinks into the body to pass under furniture. Built-in lidar sits inside the body with no turret. A solid-state 3D ToF sensor without a turret counts as built-in lidar. Camera means visual mapping without lidar. Gyroscope only means the robot has no mapping sensor and cleans in rows with a gyroscope. Random bounce means the robot has no mapping sensor and no gyroscope and turns when it bumps into something.

Lidar turret1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Pathfinder Smart Navigation. The comparison table lists navigation LDS, a laser distance sensor. The height of 97 mm includes the turret, as for the other L Series models

Retractable lidar2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026The retractable LDS retracts in confirmed low spaces and a dToF sensor with a 100 degree vision module takes over7Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 2026The review calls it Roborock's RetractSense retractable LiDAR, which replaced the original Edge's top turret

Navigation system (as published)iThe maker's name, such as "VersaLift DToF" or "ClearView Pro LiDAR".

Pathfinder Smart Navigation (LDS)1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026

RetractSense Navigation System1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Gallery image names the RetractSense Navigation System2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026The Qrevo Edge 2 Pro compare card on the page names RetractSense Navigation System. Gallery images on the US page name it for this model

Obstacle sensors (as published)iThe maker's description of the front obstacle sensors, such as "AI Camera x2 + LED".

Single-Laser 3D Structured Light (3DAdapt)1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Comparison table: Single-Laser 3D Structured Light. The spec table says 3D Structured Light

Reactive AI Obstacle Recognition with structured light and an RGB camera1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Reactive AI Obstacle Recognition, structured light and an RGB camera2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026

AI object recognitioniA camera and software identify objects such as cables, socks and pet waste and steer around them. A structured light sensor without a camera counts when the maker says it identifies object types, as Narwal does. A bump sensor or infrared sensor alone does not qualify. False only when the maker or a spec table says the feature is absent. Silence is a missing value.

No1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Comparison table: the L40s Ultra has single-laser structured light only, with RGB AI listed for the AE. The maker's comparison blog says it detects obstacles by shape and depth without identifying them

Yes1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 20262Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026

Object types recognized (claimed)iNumber of object types the maker says the robot can identify. A figure such as 300+ is stored as 300.

Not available

2801Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Published as 280+ types of objects2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026

Dirt detectioniA sensor or camera finds dirtier spots and the robot cleans them harder or again. False only when the maker or a spec table says the feature is absent. Silence is a missing value.

No1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Comparison table: Dirt Detection and AI Dirt Detection are marked absent for the L40s Ultra

Yes2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026DirTect Technology detects dry and wet mess and adjusts the cleaning strategy

Max threshold (claimed)iHighest single step or door threshold the maker says the robot can climb.

22mm1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 20260.87 in (22 mm) single-layer step with the auxiliary wheels. In-house lab data2Press releasedreametech.com/blogs/news/dreame-l40s-series-robot-vacuum-launchRead 15 October 2026Footnote: for a single-layer step the maximum height is 22mm

20mm6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Hardware and Official Specs: Threshold Climbing Height 20 mm. The review calls it a reduced 20 mm threshold climb. basic-tutorials.de and AGDmaniak also give 20 mm. No maker page states it9Reviewbasic-tutorials.de/tests/technik-gadgets/roborock-qrevo-edge-2-testRead 14 October 2026Spec table: Maximale Schwellenhoehe 20 mm10Reviewagdmaniak.pl/135774/roborock-qrevo-edge-2-opiniaRead 14 October 2026Parameter list: climbs up to 2 cm

Max two-step threshold (claimed)iHighest total height of a two-step threshold the maker says the robot can climb, such as a stepped sliding door track. Makers set conditions, such as a minimum width of the lower step.

40mm1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 20261.57 in (40 mm) double-layer step where the gap between the two layers is more than 1.18 in (30 mm). In-house lab data2Press releasedreametech.com/blogs/news/dreame-l40s-series-robot-vacuum-launchRead 15 October 202640mm is the height of a double-layer step where the gap between the two layers exceeds 3cm

Not available

Mopping

4 of 8 differ

Mop typeiNone means the robot only vacuums. Spinning pads are round pads that rotate. A roller is a turning cylinder. A track is a belt-shaped mop that rolls over the floor. A vibrating pad moves back and forth. A static pad is dragged.

Spinning pads1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Dual Spinning Mops

Spinning pads2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Rotating mop module with automatic lift and rotate mop modules (manual). Dual spinning mops in the US gallery4Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026Parts list: Automatic Lift and Rotate Mop Modules and Mop Cloths

Extending mopiA mop pad or roller moves outward to reach wall edges and under low furniture. False only when the maker or a spec table says the feature is absent. Silence is a missing value.

Yes1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Mop Extending yes

Yes1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026US page says FlexiArm Arc Side Brush and Edge Mopping reach corners. Vacuum Wars confirms the right pad extends6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page lists Extending Mop Pad: Yes7Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 2026Dual spinning mop pads, one pad extends outward to clean the edges

Mop lift heightiHow far the robot raises its mop pads alone when it drives onto carpet, as the maker's spec table gives it. A lift with the raised chassis goes in the source note.

10.5mm1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 20260.41 in (10.5 mm), the height between the ground and the lifted pads. Footnote: based on in-house lab data

12mm1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Gallery image says 12mm Auto Mop Lifting. Reviewers quote 10, 12 and 15 mm. The maker figure is stored7Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 2026Review also states a 12 mm lift over carpet

Leaves mop at the dockiThe robot drops its mop pads at the base station by itself and picks them up again, so it can vacuum carpet without them.

Yes1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Mop Removal yes. Comparison table: Mop Automatic Removal yes. Mops are removed for long-pile carpets

Yes2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Page lists Auto Mop Detaching. The manual says the robot detaches the mop cloth mounts to clean carpet4Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026The robot detaches the mop cloth mounts to clean the carpet

Mop downforce (claimed)iThe maker's claim for the force that presses the mop onto the floor. A claim in kilograms is converted at 1 kgf = 9.80665 N and rounded to one decimal, so 1 kg is 9.8 N. When the maker also gives a figure in N, that figure is stored. When the maker gives a range, such as 9-11 N, the top of the range is stored.

Not available

8N1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 20268N downward pressure, internal maker test (footnote 5 on the global page)2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 20268N downward pressure

Mop speed (claimed)iHighest rotation speed of the spinning pads or the mop roller that wipes the floor. The speed of another roller that does not wipe the floor is not stored here.

Not available

200rpm1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Gallery image says 200 RPM spinning speed

Robot water tankiClean water held in the robot itself. The base station tanks are separate.

Not available

Not available

Water flow levelsiNumber of water flow settings the user can pick for mopping.

Not available

301Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Gallery image says 30 Levels water flow options

Base station

8 of 10 differ

Base stationiThe main jobs of the dock sold with this model. Auto-empty means the dock sucks the dust out of the robot. Mop washing means the dock cleans the mop.

Auto-empty and mop washing1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Dock empties the dust box, washes the mop pads and dries them

Auto-empty and mop washing2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Auto dust emptying plus hot-water mop washing

Base station featuresiExtra dock functions. Hot-air drying dries the mop with warm air. Auto detergent adds cleaning solution by itself. Robot tank refill fills the robot's water tank. Self-cleaning wash tray means the dock cleans its own mop washing tray.

Hot-air drying, Auto detergent, Robot tank refill, Self-cleaning wash tray1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Hot Air Drying, Auto Solution Adding, Auto Tank Water Refilling and a self-cleaning washboard (AceClean DryBoard)6Retailer pageamazon.com/dp/B0DYSXC9X9Read 15 October 2026Bullet text: the dock rinses the mop pads with 167°F hot water, dries them and refills solution and water. The Amazon item details give model number RLL77SE, which conflicts with RLL22SE and is not stored

Hot-air drying, Robot tank refill, Self-cleaning wash tray2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Hot-water mop washing, dock self-cleaning with hot water, warm air drying, warm water auto-refilling. No detergent dispenser is listed

Base station water supplyiWater tanks means clean and dirty water tanks that the user fills and empties. Plumbed means the dock connects to a water inlet and a drain. The third option has tanks and a plumbing kit sold separately.

Water tanks, plumbing kit optional1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Clean and used water tanks. Footnote: a Water Hookup Kit is available for separate purchase and support may vary by region. The maker's review blog says the same

Water tanks6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page lists Plumbing Connections: No

Base station dust containeriWhat the dock empties the robot's dust into.

Bag1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Dust bag in the dock, two bags in the box

Bag6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page lists Self Empty Bin Type: Bagged9Reviewbasic-tutorials.de/tests/technik-gadgets/roborock-qrevo-edge-2-testRead 14 October 2026The dock empties the robot bin into an integrated disposable bag (Beutel)

Base station dust capacityiCapacity of the dust bag or bin in the dock.

3.2L1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 20263.2L dust bag

Not available

Days between bag changes (claimed)iThe maker's estimate of how long the dock holds dust before it must be emptied. Makers assume different homes, pets and schedules.

100days1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Up to 100 days. Footnote: based on a calculation derived from environment testing in the maker's lab, conditions not stated

65days2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Up to 65 days. Maker internal test. Actual results vary

Clean water tankiClean water tank in the base station.

4.5L1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Clean/Used Water Tank Capacity 4.5L/4.0L

4L6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page lists Bin Water Tank 4 litres. basic-tutorials.de, inside-digital.de and AGDmaniak give a 4 l clean water tank9Reviewbasic-tutorials.de/tests/technik-gadgets/roborock-qrevo-edge-2-testRead 14 October 2026Spec table: Frischwassertank Basisstation 4.000 ml10Reviewagdmaniak.pl/135774/roborock-qrevo-edge-2-opiniaRead 14 October 2026Parameter list: clean water tank 4 l11Spec databaseinside-digital.de/saug-wisch-roboter-vergleich/roborock-qrevo-edge-2/roborock-saros-20-sonicRead 14 October 2026Cleaning station: clean water 4.0 l

Dirty water tankiDirty water tank in the base station.

4L1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Same row as the clean tank

3.5L9Reviewbasic-tutorials.de/tests/technik-gadgets/roborock-qrevo-edge-2-testRead 14 October 2026Spec table: Schmutzwassertank Basisstation 3.500 ml. inside-digital.de and AGDmaniak also give 3.5 l10Reviewagdmaniak.pl/135774/roborock-qrevo-edge-2-opiniaRead 14 October 2026Parameter list: dirty water tank 3.5 l11Spec databaseinside-digital.de/saug-wisch-roboter-vergleich/roborock-qrevo-edge-2/roborock-saros-20-sonicRead 14 October 2026Cleaning station: dirty water 3.5 l

Mop wash water temperature (claimed)iHighest water temperature the dock uses to wash the mop. The maker's own figure. Makers measure at different points, so values are not comparable between makers. The measuring point is required in the source note. A maker can claim another figure in another market, so it is per variant.

75°C1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Auto Mop Cleaning with Hot Water 167°F, which is 75 C. Footnote: base station water outlet temperature up to 167°F after heating, at about 73.4°F room temperature

80°C2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Up to 80 C at the clean water dispensers of the base, standard atmospheric pressure (footnote 10)

Mop drying air temperature (claimed)iTemperature of the warm air the dock blows over the mop. The maker's own figure. Makers measure at different points, so values are not comparable between makers. The measuring point is required in the source note.

Not available

55°C2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Air at the base outlet during drying can reach 55 C (footnote 12)

Battery and charging

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Battery capacityiPublished capacity of the robot's battery pack at the nominal battery voltage. When the maker gives a typical or headline figure and a lower rated figure, the headline figure is stored and the rated one goes in the source note, as for Dreame. A rated figure alone is stored. A count times a capacity, such as 2600 mAh x 2, is not a pack capacity. The total is stored only when the maker or a review states it.

5,200mAh1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: 5,200mAh. Footnote: based on in-house lab data

5,200mAh4Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026Basic Parameters: 14.4 V/5200 mAh (TYP) lithium-ion battery

Battery voltageiNominal pack voltage, such as 14.4 V.

14.4V5Retailer pageteamplush.by/en/product/dreame-l40s-ultraRead 15 October 2026Reseller copy of the user manual specifications: robot model RLL22SE, rated voltage 14.4 V DC. 5,200 mAh at 14.4 V is 74.9 Wh

14.4V4Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026Basic Parameters: 14.4 V

Rated poweriRated electrical power of the robot from the spec sheet, label or manual. The base station's power is not included. A charger input rating from the manual, such as 20 V 2.5 A, is not this value.

75W5Retailer pageteamplush.by/en/product/dreame-l40s-ultraRead 15 October 2026Robot rated power 75 W in the same table. The base station model is RCLE0305

60W1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Specifications list Rated Power 60W3Maker product pagede.roborock.com/products/roborock-qrevo-edge-2Read 14 October 2026Nennleistung 60 W

Max run time (claimed)iLongest run time on one charge that the maker claims. Makers usually state it in the quietest suction mode without mopping. Claims that include charging breaks are not stored.

220min1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Up to 220 minutes. Footnote: tested in vacuuming mode under quiet suction

Not available

Full charge time (claimed)iThe maker's claim for charging from empty to full. A partial charge, such as 9 to 80%, is not stored.

210min5Retailer pageteamplush.by/en/product/dreame-l40s-ultraRead 15 October 2026Full charge time approximately 3.5 hours, stored as 210 minutes. SmartHomeCompared also lists 3.5 hours. Dreame's review article says roughly 4 hours

Not available

Recharge and resumeiThe robot returns to the dock to charge and then finishes the job where it stopped.

Yes1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Page text: returns to the dock for recharge and resumes cleaning from where it left off

Yes4Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026Instructions for Use: when the battery runs low the robot charges and resumes where it left off6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page lists Recharge and Resume: Yes

Noise

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Noise (claimed)iOne row per noise figure the maker publishes. Suction mode is the maker's mode name, such as "Standard". When the maker gives a range, the top of the range is stored. A row leaves out the activity or the mode when the maker does not name it, such as a figure for quiet mode alone or a bare figure with neither.

ADreame L40s Ultra

Activity	Suction mode	Noise (dB(A))
Vacuuming	Quiet	55
Vacuuming	Turbo	72
Dock emptying	Not available	80

Source3Maker product pagedreametech.com/blogs/blog/dreame-l40s-ultra-reviewRead 15 October 2026Dreame's own review article dated 2025-08-10: Quiet mode roughly 55 dB, Turbo (Max) about 70-72 dB at the robot, dock emptying about 80 dB. The top of the range, 72, is stored. The standard mode is only called the low 60s and is not stored. No weighting or test method is stated

BRoborock Qrevo Edge 2

Not available

Connectivity and app

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Wi-Fi standardi802.11n is Wi-Fi 4, 802.11ac is Wi-Fi 5 and 802.11ax is Wi-Fi 6. Use the highest protocol the manual lists. None only when a source says the robot has no Wi-Fi.

Not available

Wi-Fi 65Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20CE%20EN%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026RF Specification: WiFi 802.11b/g/n/ax, 2400-2483.5 MHz. The maker does not use the name Wi-Fi 6

Wi-Fi bandsiBands the maker's manual or spec table states. Many robots use 2.4 GHz only. Vacuum Wars' Wi-Fi version column is not used for this field.

2.4 GHz5Retailer pageteamplush.by/en/product/dreame-l40s-ultraRead 15 October 2026Operating frequency range 2400-2483.5 MHz and only 2.4 GHz networks are supported

2.4 GHz5Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20CE%20EN%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026RF Specification lists 2400-2483.5 MHz only and the manual says only 2.4 GHz WiFi is supported

Bluetooth versioniAs published, such as "4.1". Robots use Bluetooth for setup.

Not available

5.25Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20CE%20EN%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026RF Specification: BLE v5.2

MatteriThe maker states Matter support. Support that is only promised for a later update is not counted.

No8Spec databasesmarthomecompared.com/robot-vacuums/dreame-l40s-ultraRead 15 October 2026The review says this model has no Matter or native Apple Home support

Yes2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Matter supported

Voice assistantsiThird-party assistants that can control the robot, such as "Amazon Alexa".

Amazon Alexa, Google Assistant2Press releasedreametech.com/blogs/news/dreame-l40s-series-robot-vacuum-launchRead 15 October 2026Compatible with third-party voice assistants (Alexa, Google Assistant)9Reviewvacuumchef.com/dreame-l40s-ultra-review-powerful-suction-smart-mopping-real-world-performance-testedRead 15 October 2026Alexa and Google Assistant, as in the maker's launch article

Amazon Alexa, Google Home, Siri2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Also compatible with Alexa, Siri and Google Home

Built-in voice controliThe robot has its own microphone and responds to spoken commands without a smart speaker.

No1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Voice Control Third-Party. Comparison table: Direct Voice Control absent9Reviewvacuumchef.com/dreame-l40s-ultra-review-powerful-suction-smart-mopping-real-world-performance-testedRead 15 October 2026Review notes there is no built-in voice assistant

Yes2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Hello Rocky voice assistant that works without Wi-Fi

Companion appiThe maker's phone app for the robot, by name.

Dreamehome1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Dreamehome App Control section

Roborock app2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Roborock APP

Saved mapsiNumber of floor maps the robot can store, for homes with several levels.

41Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Navigate and Map section: Fast Mapping (4 Maps)3Maker product pagedreametech.com/blogs/blog/dreame-l40s-ultra-reviewRead 15 October 2026The robot can save up to 4 floor maps

Not available

Live videoiThe app can show the robot's camera view live.

No4Maker product pagedreametech.com/blogs/blog/robot-vacuum-comparison-l40-l40s-ultra-ae-ceRead 15 October 2026Comparison table row Remote Video Viewing: no for the L40s Ultra, which has no camera

Yes2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Video Call and Cruise shows the home in real time6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page lists Live Video Monitoring: Yes

Measured

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Suction at the brush housing (measured)iSuction pressure a reviewer measured with a manometer at the robot's brush housing on the highest power setting. It is far lower than the maker's figure and is not comparable to it.

Not available

0.52kPa6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Vacuum Wars Suction Test: manometer at the brush housing, highest power setting. Compare page lists 0.52 kPa

Airflow (measured)iAirflow at the suction inlet on the highest power setting, measured by a reviewer with an anemometer.

Not available

16CFM6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Vacuum Wars Airflow Test, anemometer, highest power setting. Compare page lists 16 CFM

Embedded sand pickup on carpet (measured)iShare of sand worked into medium-pile carpet that the robot removed in a timed run on the highest power setting. The reviewer weighs the robot's bin before and after.

92%7Reviewvacuumwars.com/dreame-l40s-series-reviewRead 15 October 2026Vacuum Wars carpet deep clean test, sand embedded in carpet: L40s Ultra 92 percent, average 75 percent. Review last updated 2026-09-16

94%6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Vacuum Wars Carpet Deep Clean Test: sand embedded in medium-pile carpet, 94 percent. Review says category average 78 percent7Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 202694 percent embedded sand removed

Pet hair pickup on carpet (measured)iShare of a fixed weight of flattened pet hair, about 2.5 inches long, removed from carpet in two runs. The reviewer weighs the hair left behind.

91%7Reviewvacuumwars.com/dreame-l40s-series-reviewRead 15 October 2026Vacuum Wars 2.5-inch flattened pet hair on carpet test: 91 percent

89.5%6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Vacuum Wars 2.5-inch flattened pet hair test on carpet, 89.5 percent. Review says average 82.2 percent7Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 202689.5 percent of hair removed

Max threshold (measured)iHighest single threshold the robot cleared on a reviewer's test rig.

Not available

Not available

Test obstacles avoided (measured)iNumber of the 24 test objects the robot steered around in Vacuum Wars' standard and torture obstacle tests.

77Reviewvacuumwars.com/dreame-l40s-series-reviewRead 15 October 2026Vacuum Wars standard and torture obstacle tests: 7 of a possible 24 objects

147Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 2026Standard and torture obstacle tests: avoided 14 of 24, the original Edge avoided 16 and the average is 16. Review last updated 2026-08-28

Area per charge (measured)iFloor area the reviewer estimates per charge from measured battery use and a fixed floor plan, on the lowest suction setting without mopping. Vacuum Wars multiplies battery efficiency by navigation efficiency. It is not a full-charge run.

179.77m²7Reviewvacuumwars.com/dreame-l40s-series-reviewRead 15 October 2026Chart: 1,935 sq ft times 0.09290304 = 179.77 m2. Battery efficiency 2.10 min per percent and navigation efficiency 0.85 m2 per min. The page does not repeat the power setting

112.23m²6Measurementvacuumwars.com/compare/robot-vacuums/roborock_qrevo_edge_2Read 14 October 2026Compare page 1208 sq ft times 0.09290304 = 112.23 m2. Review states battery efficiency of 1.4 min per percent and navigation efficiency of 0.81 m2 per min. Lowest power setting without mopping on a fixed floor plan

Dimensions and weight

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Robot shapeiShape seen from above. D-shaped means a flat front and a round back.

Round1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table lists 13.78 x 13.78 in. Round body in the maker photos

Round2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Round body in the maker photos, 352 x 352 mm

Robot widthiWidth of the robot from side to side.

350mm1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: 13.78 x 13.78 x 3.82 in, which is 350 x 350 x 97 mm. The page says dimensions may vary by up to 0.08 in

352mm2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026352 mm, the robot is round

Robot depthiLength of the robot from front to back. The Length in a maker's Length x Width x Height is the depth.

350mm1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026See width note

352mm2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026352 mm

Robot heightiHeight at the robot's lowest operating position. A fixed lidar turret is included. A retractable turret is lowered. This decides which furniture the robot fits under.

97mm1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 20263.82 in = 97 mm. The LDS turret is fixed and included

79.8mm2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Robot 352 x 352 x 79.8 mm. The US page gives 13.9 x 13.9 x 3.1 in7Reviewvacuumwars.com/roborock-qrevo-edge-2-reviewRead 14 October 2026Review quotes 3.14 in (80 mm), the maker lists 79.8 mm

Height with sensor raisediHeight with a retractable lidar turret raised. Empty for a robot without a retractable sensor.

Not available

93.5mm10Reviewagdmaniak.pl/135774/roborock-qrevo-edge-2-opiniaRead 14 October 2026Parameter list: height 7.98 cm with LDS retracted and 9.35 cm with LDS raised. Single source, no maker figure found

Robot weightiRobot with battery and dustbin, without the base station. Some store pages label the robot and dock together as Robot Weight. Check that the figure fits the robot alone.

4.1kg(9 lb)1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Robot Vacuum Weight 9.04 lbs = 4.10 kg

4.5kg(9.9 lb)2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Robot 4.5 kg. The US page gives 9.9 lb and the German page gives 4.5 kg of the 12.7 kg total

Base station dimensionsiWidth, depth and height of the dock. When the maker gives the depth with and without the ramp, the depth with the ramp is stored. Makers write the axes in different orders, so they are mapped with care. A size the maker gives for the robot and dock together counts only when the robot sits inside the dock's footprint, and the source note says so.

Width340Depth457Height590mm(13.4 × 18 × 23.2 in)1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Base Station Dimensions 13.39 x 17.99 x 23.23 in, which is 340 x 457 x 590 mm in width, depth, height order. Depth follows the other Dreame docks. The ramp extension in the box is not described

Width340Depth487Height521mm(13.4 × 19.2 × 20.5 in)2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Dock 340 x 487 x 521 mm listed in the same order as the German page. Another review gives 521 mm height, 340 mm width and 487 mm depth with the ramp

Base station weightiDock without the robot and with empty tanks.

9.2kg(20.3 lb)1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026Spec table: Base Station Weight 20.28 lbs = 9.20 kg

8.2kg(18.1 lb)2Maker product pageglobal.roborock.com/pages/roborock-qrevo-edge-2Read 14 October 2026Dock 8.2 kg. Robot 4.5 kg plus dock 8.2 kg is the 12.7 kg total on the German page3Maker product pagede.roborock.com/products/roborock-qrevo-edge-2Read 14 October 2026Net weight robot plus dock 12.7 kg (4.5 kg + 8.2 kg)

Certifications

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FCC IDs

Not available

Not available

Other certificationsiNamed certifications, verbatim, such as a TÜV SÜD or UL Solutions cybersecurity mark.

Not available

UL Solutions Security Capabilities Verified Diamond1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026Gallery image shows a UL Solutions Security Capabilities Verified Diamond mark

In the box

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In the boxiItems supplied with this exact model, verbatim.

Robot Vacuum x1, Base Station x1, Main Brush (pre-installed) x1, Brush Guard (pre-installed) x1, Side Brush (pre-installed) x1, Scale Inhibitor (pre-installed) x1, Dust Box (pre-installed, including dust box filter) x1, Mop Pad Holders x2, Mop Pads x2, Dust Bags (pre-installed x1) x2, Cleaning Tool x1, 200ml Cleaning Solution x1, Base Station Ramp Extension x1, Quick Start Guide x1, User Manual x11Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026What's in the Box list on the US page

Robot Vacuum, Multifunctional Dock, Dock Base, Power Cable, Rotating Mop Module (1 set), User Manual, Ramp1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026What's in the Box list, including a ramp. The German store list has no ramp3Maker product pagede.roborock.com/products/roborock-qrevo-edge-2Read 14 October 2026German list: robot, multifunction dock, dock base, power cable, rotating mop module (1 set), manual. Extra mops and bags are Set only

Links

Not compared

Product page

www.dreametech.com/products/l40s-ultra-robot-vacuum1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 2026

us.roborock.com/products/roborock-qrevo-edge-2-robot-vacuum1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 2026

Spec sheet

Not available

Not available

Manual

Not available

gl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdf4Owner's manualgl-files.roborock.com/product/center/manuals/Roborock%20Qrevo%20Edge%202%20FCC%20User%20Manual.vum9ib3jvy2.pdfRead 14 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

3years1Maker product pagedreametech.com/products/l40s-ultra-robot-vacuumRead 15 October 20263-Year Warranty on the US store page

1year1Maker product pageus.roborock.com/products/roborock-qrevo-edge-2-robot-vacuumRead 14 October 20261-year limited warranty on the US store page

Both are also in the API. Back to all robot vacuums.