This product is mainly used to read the data of car engine and emissions,diagnostic car engine trouble, and erase trouble codes. This product can diagnosis vehiclehealth, alarm vehicle security, real-timemonitor vehicle health, display the diagnostic values of various vehicleindicators (voltage, coolanttemperature, correction value,engine load value, etc.) in detail,conduct examination on the car, and read and erase trouble codes, etc. Find the OBD interface in the car. The OBD interface may located in different place for different vehicle models.(Generally located on the underside of the dashboard on the driver's side of the car, above the accelerator pedal) Bluetooth 5.0: Stable connection and fast data transmission. Low power consumption, not drain your car battery. Android user recommended app: torque,IOS user recommended app: Car scanner. Specification: Communication method: Bluetooth 5.0 Working Voltage: 12V Interface: OBD interface Support Protocols: SAE J1850 PWM (41.6Kbaud) SAE J1850 VPW (10.4Kbaud) ISO 9141-2(5 baud init, 10.4Kbaud) ISO 14230-4 KWP (5 baud init, 10.4 Kbaud) ISO 14230-4 KWP (fast init, 10.4 Kbaud) ISO 15765-4 CAN (11bit ID, 500 Kbaud) ISO 15765-4 CAN (29bit ID, 500 Kbaud) ISO 15765-4 CAN (11bit ID, 250 Kbaud) ISO 15765-4 CAN (29bit ID, 250 Kbaud) Color:Black Material:plastic Package Contents: 1 * Car Detector 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.