1. A202 OBD mini car trip computer is a powerful small car instrument, especially suitable for vehicles without tachometer, engine temperature gauge and fuel consumption display functions. 2. A202 can display and monitor vehicle battery voltage, generator charging voltage, and provide functions such as vehicle overspeed alarm, engine high temperature alarm and monitoring. 3. It can even read vehicle data stream, read and erase engine fault codes. Color: Black Material: plastic Product Description Type: Car fault detector Detection system: engine Power supply voltage: 12 (V) Working temperature: -20-40 () Model: A202 Package Contents: 1 x car computer display meter 1 x connection line Only 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.