3X For Car A203 2 On-Board Computer Car Dial Computer Trip Display Speed Consumption 2 Scanner

1. Dial Display: Display speed, water temperature, instantaneous consumption, hour consumption2. Performance Testing: Vehicle acceleration test3. 2 Engine Functions: Data flow function display, display color configuration, fault code scanning, fault code clearance and other functions4. Early warning function: Water temperature warning, over speed warning, shift warning.Specifications:Operating voltage: 9-18V DCOperating current: le than 80mASleep current: le than 10mAOperating temperature: -20~85℃Product volume: 75mm x 55mm x 20mmSpeed meter indication error Speed Meter indicates speed and actual speed according to formula :O le than or equal to Vn-VZ le than or equal to (V: + 10) + 4V1- speed meter indicates speed in km/hV2- an actual speed in kilometers per hour (km/h).The vehicle speed correction is based on 100km/h.The error of the vehicle in the low speed state is the reason why the vehicle meter is not linearly displayed.Specifically, you can connect to the socket test with a dedicated instrument in the 4s shop.colour: blackMaterial: ABSPackage Contents:3 x host3 x cable3 x Chinese and English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.