KONNWEI KW 902 Mini Bluetooth Wireless OBD-II Car Auto Diagnostic Scan Tools, Black Newly developed Wireless scan tool, supports all obd-ii protocols Only works on gasoline cars, NO diesel vechicles!THESE ARE VEHICLES THAT BY LAW MUST BE OBDII COMPLIANT Stable Wireless connection. The adapter uses the fastest and most reliable arm chips Supports Obd2 protocols: iso15765-4 (can), iso14230-4 (Kwp2000), iso9141-2, J1850 vpw, J1850 pwm Compatible with Android phones only - not for use with iOS devices! Wireless (Bluetooth)