{"data":{"slug":"razer-deathadder-essential","type":"mouse","brand":"Razer","name":"DeathAdder Essential (2018)","aliases":["DeathAdder Essential","RZ01-0254","DeathAdder Essential 2018"],"release_date":"2018-07","url":"https://arkivo.dev/mice/razer-deathadder-essential","specs":{"series":"Razer DeathAdder","model_numbers":["RZ01-0254","RZ01-02540100","RZ01-02540100-R3M1"],"gtins":null,"announce_date":null,"status":null,"predecessor":null,"successor":null,"launch_price_usd":49.99,"launch_price_eur":null,"markets":["US","JP"],"colors":["Black"],"manufacturer_url":"https://www.razer.com/gaming-mice/razer-deathadder-essential","spec_sheet_url":null,"manual_url":"https://dl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdf","eprel_registration_number":null,"warranty_years":2,"segment":"gaming","mouse_form":"standard","shape":"right_handed","size_class":null,"grip_styles":null,"recommended_hand_size_mm":null,"hump_position":null,"thumb_rest":null,"finger_rest":null,"shell_type":"solid","modular_parts":null,"adjustable_weight":null,"adjustable_weight_max_g":null,"vertical_angle_deg":null,"trackball_diameter_mm":null,"trackball_position":null,"dimensions_mm":{"length_mm":127,"width_mm":73,"height_mm":43},"grip_width_mm":null,"weight_g":96,"package_dimensions_mm":null,"package_weight_g":null,"sensor_model":null,"sensor_brand":null,"sensor_base_model":null,"sensor_type":"optical","max_dpi":6400,"min_dpi":null,"dpi_step":100,"dpi_stages_max":5,"dpi_presets_default":null,"dpi_xy_independent":true,"max_speed_ips":220,"max_acceleration_g":30,"lift_off_distance_mm":null,"asymmetric_lift_off":null,"surface_calibration":false,"motion_sync":null,"angle_snapping":null,"ripple_control":null,"glass_tracking":null,"sensor_position":null,"polling_rate_modes":[{"connection":"usb_wired","polling_rate_hz":125,"receiver":null},{"connection":"usb_wired","polling_rate_hz":500,"receiver":null},{"connection":"usb_wired","polling_rate_hz":1000,"receiver":null}],"polling_rate_max_hz":1000,"polling_rate_wired_hz":1000,"polling_rate_wireless_hz":null,"polling_rate_bluetooth_hz":null,"claimed_click_latency_ms":null,"debounce_adjustable":null,"debounce_time_min_ms":null,"measured_latency":null,"measured_cpi_deviation_pct":null,"measured_lift_off_distance_mm":null,"measured_click_force_g":null,"measured_weight_g":null,"measured_battery_life":null,"hand_size_fit":null,"main_switch_type":"mechanical","main_switch_brand":"Razer","main_switch_model":"D2FC-F-7N(10M)","main_switch_rated_clicks_million":10,"main_switch_hot_swappable":false,"main_switch_actuation_adjustable":null,"main_buttons_separate":false,"side_switch_model":null,"middle_switch_model":null,"scroll_encoder_type":null,"scroll_encoder_model":null,"button_count":5,"programmable_buttons":5,"side_button_count":2,"side_buttons_position":"left","dpi_button":false,"dpi_button_position":null,"profile_button":false,"sniper_button":false,"gesture_button":false,"scroll_wheel":["notched"],"scroll_mode_switching":"none","thumb_wheel":false,"scroll_wheel_material":"rubber","shell_material":["plastic"],"coating":"matte","feet_material":null,"feet_count":3,"feet_shape":"pads","feet_thickness_mm":null,"cable_type":"braided","cable_length_m":2.1,"cable_detachable":false,"mouse_port":"none","cable_host_connector":null,"connection_types":["usb_wired"],"wireless_technology_name":null,"bluetooth_version":null,"bluetooth_devices":null,"multi_device_count":null,"multi_device_switching":null,"receiver_connector":"none","receiver_storage":null,"receiver_extender_included":null,"receiver_multi_device":null,"wireless_range_m":null,"os_compatibility":["windows"],"console_compatibility":null,"battery_type":null,"battery_count":null,"battery_capacity_mah":null,"battery_user_replaceable":null,"battery_life_claimed":null,"battery_life_claimed_days":null,"battery_life_claimed_months":null,"battery_life_max_h":null,"battery_life_1000hz_h":null,"battery_life_bluetooth_h":null,"charging_port":null,"charge_time_full_min":null,"quick_charge":null,"use_while_charging":null,"wireless_charging_compatible":null,"charging_dock_included":null,"battery_indicator":null,"rgb_lighting":false,"lighting_zones":null,"lighting_ecosystems":null,"dpi_indicator":null,"software_name":"Razer Synapse 3","software_platforms":["windows"],"onboard_memory":false,"onboard_profiles":null,"macros":true,"macros_onboard":false,"button_remapping":true,"per_app_profiles":true,"firmware_updatable":null,"in_the_box":["Razer DeathAdder Essential","Important Product Information Guide"],"cables_included":[{"type":"Fixed USB cable","count":1}],"spare_feet_included":false,"grip_tape_included":false},"variants":[],"sources":[{"url":"https://www.4gamer.net/games/023/G002318/20180710052/","kind":"press","accessed":"2026-10-10","fields":["series","side_button_count","side_buttons_position","main_buttons_separate","markets","release_date","launch_price_usd"],"notes":{"series":"2018 article identifies the DeathAdder series. Stored as Razer DeathAdder, like the other DeathAdder products.","side_button_count":"2018 article identifies two left side buttons.","side_buttons_position":"2018 article identifies the two side buttons on the left.","main_buttons_separate":"2018 article says the main buttons are integrated with the upper shell. The quoted original Japanese wording means integrated with top shell.","markets":"Original model launched on the Razer Store in North America on 9 July 2018. US reference market. Maker Japanese announcement reproduced in 2019 explicitly gives domestic sales from 26 July 2019, proving JP availability for original hardware.","release_date":"First North American Razer Store launch 9 July 2018, reported next day. Approximate marketed-model month 2018-07. Reference is original black RZ01-0254.","launch_price_usd":"Article of 10 July 2018 on the North American Razer Store launch of 9 July 2018 gives the US price as 49.99 dollars before tax (Japanese text: zeibetsu 49.99 doru). Later store prices of 29.99 dollars are not launch prices."}},{"url":"https://dl.razerzone.com/en/compliance/EU%20Declaration%20of%20Conformity%20for%20Deathadder%20Essential%20%28RZ01-0254%29.pdf","kind":"manufacturer_pdf","accessed":"2026-10-07","fields":["model_numbers"],"notes":{"model_numbers":"Exact original regulatory model and EU product code. RZ01-02540100 without regional suffix is printed on the RTINGS exact unit label."}},{"url":"https://www.kitguru.net/peripherals/mouse/damien-cox/razer-deathadder-essential-mouse-review/all/1/","kind":"review_site","accessed":"2026-10-07","fields":["colors","weight_g","scroll_wheel_material","shell_material","coating"],"notes":{"colors":"January 2019 KitGuru review of the exact original black hardware.","weight_g":"January 2019 exact original Black review specification states approximately 96 g excluding cable. This is a stated specification, not an asserted scale measurement. Original master guide also gives approximate 96 g but does not state cable inclusion.","scroll_wheel_material":"Exact original scroll-wheel construction in Unboxing & First Look. Describes wheel grip, not internal encoder.","shell_material":"Closing thoughts of the January 2019 review of the original black mouse. The polymer is unspecified, so the value is plastic and not a guessed ABS.","coating":"Closing thoughts of the January 2019 review of the original black mouse. They name the finish matte."}},{"url":"https://www.razer.com/gaming-mice/razer-deathadder-essential","kind":"manufacturer_page","accessed":"2026-10-07","fields":["manufacturer_url"],"notes":{"manufacturer_url":"Family link only. Current store hardware includes 2021 RZ01-0385 and licensed editions. Those hardware specifications and colours are not inherited by this original 2018 black reference."}},{"url":"https://dl.razerzone.com/master-guides/RazerSynapse3/DeathAdderEssential-00000110-en.pdf","kind":"manual","accessed":"2026-10-10","fields":["manual_url","warranty_years","segment","shape","dimensions_mm","sensor_type","max_dpi","dpi_stages_max","dpi_xy_independent","max_speed_ips","max_acceleration_g","polling_rate_modes","main_switch_type","main_switch_brand","main_switch_rated_clicks_million","button_count","programmable_buttons","profile_button","sniper_button","gesture_button","thumb_wheel","receiver_connector","scroll_wheel","cable_length_m","os_compatibility","software_platforms","rgb_lighting","software_name","macros","button_remapping","per_app_profiles","in_the_box","feet_count","feet_shape","mouse_port","cable_detachable","cables_included","spare_feet_included","grip_tape_included","surface_calibration","shell_type"],"notes":{"manual_url":"Original English master guide, July 2018 PDF metadata, 2018 copyright. PDF font encoding was unreadable, so pages were rendered and OCR text checked against actual page images.","warranty_years":"PDF page 5, printed page 4, international English guide. KitGuru January 2019 UK review also states Guarantee: 2 years. Stored period is maker guide claim, not statutory rights.","segment":"PDF page 2 introduction. Explicit maker gaming positioning.","shape":"PDF page 6, printed page 5. Original asymmetric right-handed body.","dimensions_mm":"PDF page 6, approximate size and weight. Approximate maker body dimensions, excluding cable. Original manual takes precedence over current family/revised hardware dimensions.","sensor_type":"PDF page 6 original technical specification.","max_dpi":"PDF page 6 original technical specification.","dpi_stages_max":"PDF page 15, printed page 14. Original Synapse 3 settings. Screenshot presets are examples, not labelled factory defaults.","dpi_xy_independent":"PDF page 15, printed page 14. Original Synapse 3 settings.","max_speed_ips":"PDF page 6 maker maximum claims.","max_acceleration_g":"PDF page 6 maker maximum claims.","polling_rate_modes":"PDF page 15, printed page 14, selectable wired USB report rates. Times in the manual are report intervals, not input-latency measurements.","main_switch_type":"PDF page 6 original technical specification.","main_switch_brand":"PDF page 6. Razer is the published proprietary switch brand. The physical part marking is recorded separately.","main_switch_rated_clicks_million":"PDF page 6 original technical specification. The 10 million rating fits the mechanical switch D2FC-F-7N(10M) of this 2018 mouse.","button_count":"PDF page 6. Complete page 7 device layout is left button, right button, central clickable wheel and two side buttons. Scroll rotation excluded from physical button count.","programmable_buttons":"PDF page 6. The page 7 device layout shows the same five physical inputs.","profile_button":"PDF page 7 complete top and bottom device layout identifies every physical input. None is a dedicated profile button. This is a complete hardware layout count.","sniper_button":"PDF page 7 complete top and bottom device layout identifies every physical input. None is a dedicated DPI-shift button.","gesture_button":"PDF page 7 complete top and bottom device layout identifies every physical input. None is a dedicated gesture button.","thumb_wheel":"PDF page 7 complete top and bottom device layout identifies every physical input. There is no separate side wheel.","receiver_connector":"The complete package list has no receiver. Wired USB is the only connection.","scroll_wheel":"PDF page 6. Tactile wheel is the notched wheel, independently corroborated by RTINGS public statement that it cannot free scroll or tilt.","cable_length_m":"PDF page 6 maker original specification. KitGuru and Japanese 2019 maker press specify 1.8 m. Original master guide is preferred under manual precedence. Physical revisions/region differences not resolved.","os_compatibility":"PDF page 4 Synapse requirements. Windows usage proved. Generic PC free USB hardware requirement is not converted into unproved macOS/Linux eligibility. Software is Windows-only for original Synapse 3.","software_platforms":"PDF page 4 Synapse requirements. The software is Windows-only for original Synapse 3.","rgb_lighting":"PDF page 6. Generic multi-colour Lighting tab text in original guide does not override exact single-colour original hardware specification.","software_name":"PDF page 6. Original Synapse 3 documented configuration, not inferred current Synapse 4 support.","macros":"PDF page 13 Macro assignment and pages 19-21 recording/editing. Software macros, not onboard execution.","button_remapping":"PDF page 10 Customize subtab.","per_app_profiles":"PDF page 17 Link Games, software profiles. Settings saved to system/cloud under page 10, not device storage.","in_the_box":"PDF page 4 complete package contents.","feet_count":"Printed page 6, device layout, item G Ultraslick mouse feet marks three separate pieces on the underside: two at the cable end and one wide piece at the rear. KitGuru's original black review also says three feet. Spare feet are not counted.","feet_shape":"Printed page 6 bottom view shows three flat pads. No dots and no sensor ring.","mouse_port":"Printed page 6 device layout shows the cable fixed to the front of the body and no external socket. Wired USB is the only connection.","cable_detachable":"Printed page 6 device layout shows a cable fixed to the body with no external socket. KitGuru also describes it as the mouse's own cable.","cables_included":"Printed page 3 package contents list only the mouse and the Important Product Information Guide. The only cable is the one fixed to the mouse, 2.1 m on printed page 5.","spare_feet_included":"Printed page 3 package contents: Razer DeathAdder Essential and Important Product Information Guide only. No spare feet.","grip_tape_included":"Printed page 3 package contents: Razer DeathAdder Essential and Important Product Information Guide only. No grip tape.","surface_calibration":"Mouse tab has three subtabs: Customize (printed page 9), Performance (page 14) and Lighting (page 15). Performance covers sensitivity, acceleration and polling rate only. No surface calibration or lift-off setting is documented.","shell_type":"Printed page 6 top view of the original hardware shows a plain closed shell with no holes."}},{"url":"https://www.rtings.com/mouse/tools/compare/razer-deathadder-essential-vs-razer-deathadder-v2/7278/1746","kind":"review_site","accessed":"2026-10-07","fields":["mouse_form","onboard_memory","macros_onboard"],"notes":{"mouse_form":"Public summary card for DeathAdder Essential. Detailed protected results are not used.","onboard_memory":"Public comparison verdict for the original RTINGS unit: no settings memory. No count of profile slots is invented.","macros_onboard":"Public comparison verdict for the original RTINGS unit. No settings memory also rules out onboard macro execution."}},{"url":"https://www.rtings.com/mouse/reviews/razer/deathadder-essential","kind":"review_site","accessed":"2026-10-07","fields":["dpi_step","dpi_button","scroll_mode_switching","cable_type","connection_types"],"notes":{"dpi_step":"Public introduction. Exact original RZ01-0254 black test unit is established by public linked unit label. This is configuration increment, not CPI deviation.","dpi_button":"Public comparison narrative. Original complete maker device layout agrees. Remapping an existing input to sensitivity does not establish a dedicated DPI button.","scroll_mode_switching":"Public Work verdict. No notched/free-spin switching mechanism.","cable_type":"Public original-model introduction. Current 2021 cable is not inherited.","connection_types":"Public Work verdict, confirmed by original maker USB setup and package list."}},{"url":"https://www.ifixit.com/Guide/Razer+Deathadder+Essential+RZ01-0254+Mouse+Buttons+Replacement/145584","kind":"review_site","accessed":"2026-10-07","fields":["main_switch_model","main_switch_hot_swappable"],"notes":{"main_switch_model":"Step 4 first component image, exact RZ01-0254 guide. Literal switch marking visible on the pictured main switch. No physical contract brand substituted for maker branding.","main_switch_hot_swappable":"Step 5, followed by step 6 soldering new buttons. Main-switch replacement needs soldering, so there are no hot-swap sockets."}},{"url":"https://www.4gamer.net/games/023/G002318/20190718015/","kind":"press_release","accessed":"2026-10-07","fields":["markets"],"notes":{"markets":"Razer Japanese release reproduced below the article, domestic availability 26 July 2019. Original 2018 hardware, before 2021 RZ01-0385 revision."}},{"url":"https://www.rtings.com/assets/products/BKU9EoU4/razer-deathadder-essential/label-large.jpg","kind":"review_site","accessed":"2026-10-07","fields":["model_numbers"],"notes":{"model_numbers":"Public unit label explicitly prints MODEL NO. RZ01-0254 and PRODUCT NO. RZ01-02540100. Serial not stored."}}],"fields_filled":66,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}