OBD 2 Wifi diagnostic device works for cars with OBD2 connection and most vehicles with gasoline (USA year of manufacture 1996 or later). It supports 2000 EU-based gasoline and 2010 Jap / ROK vehicles. It does NOT support trucks, semi-trailers, dump trucks, tractors, hybrids, electric vehicles, and other utility vehicles. he OBD II diagnostic device works with Android, iOS and Windows. Recommended apps are Torque Pro, Torque Lite (free, you can directly scan the QR code printed on the back of the box to download Torque Lite), OBD Car Doctor (free), etc. which you can find on Google Play can find. OBD2 diagnostic adapter can call up both general and manufacturer-specific diagnostic error codes (DTC) and display the meaning of the individual error codes. You can read & clear your Check Engine Light (CEL) and check your vehicle monitors such as O2 sensors, fuel trim, air-fuel ratio, DPF temp, coolant temperature, oil temperature, fuel pressure and much more! (It cannot read ABS / SRS / TPMS (etc.) codes).