Bluetooth V5.1 protocol plug and play, automatic connection, twice the communication distance of commonly used Bluetooth V4.0, saving more than 70% of the power than Bluetooth. After the installation is complete, open the APP to automatically connect without matching. 8 languages can be switched freely Compatible with IOS, ANDROID Dashboard fault code detection, one-key clear engine common fault codes. Performance test, understand your car's acceleration moment, performance and distance performance. Interface: OBD II standard interface Support bus: CAN_BUS/K_LINE/L_INE Power: 1W Voltage: 8V-28V Temperature: -40-+85 Bluetooth version: V5.1 Software : YMOBD Material: ABS color: gray Package Contents: 1 x Diagnostic Instrument 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.