DA200 Bluetooth Auto OBD II Read Card Tool DA200 is mainly used to read the data of car engine and emissions, diagnostic car engine trouble, and erase trouble codes.This product can diagnose vehicle health, alarm vehicle safety, real-time monitoring vehicle health, detailed display of vehicle indicators (voltage, coolant temperature, fuel correction, engine load value, etc.) diagnostic value, check the car, physical switch, read and erase the fault code. Connection step Open the APP, the product automati cally connects successfully, you can start to detect the vehicle. Manually connect the connection Select "More"→Select "my device" If the connection is not possible, please confirm whether the vehicle starts, reinsert the product, and then enter the APP for connection. If all of the above operations fail to connect, the vehicle does not support detection. Color: Blue Material: plastic Package Contents: 1 * DA200 Bluetooth Auto OBD II Read Card Tool 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.