WIDE COMPATIBILITYThe VAWcornic OBD 2 Bluetooth diagnostic tool works for the car with OBD2 port and most gasoline vehicles (USA 1996 model or later). It supports 2000 EU based petrol as well as 2010 Jap/ROK vehicles. It does NOT support trucks, semi-trailers, dump trucks, tractors, hybrids, electric vehicles and other commercial vehicles. COMPATIBLE SYSTEM AND THE APP The OBD II diagnostic tool works with Android mobile phones and tablets (Our OBD II car adapter cannot be used with iOS devices. For iOS devices, please see our Wifi OBD 2 scanner). 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 connect to Google Play MULTIFUNCTIONS This Bluetooth OBD2 diagnostic adapter can retrieve both generic and manufacturer specific Diagnostic Trouble Codes (DTC) and display the meaning of each trouble code. You can read your Check Engine Light (CEL) & clear and check your vehicle monitors like O2 Sensors, Fuel Trim, Air Fuel Ratio, DPF Temp, Coolant Temp, Oil Temp, Fuel Pressure and much more (It can't read ABS/SRS/TPMS (etc.) codes). EASY TO USE Just plug into your car's OBD2 port and turn on the ignition and you're good to go. No need, any batteries or charger, gets the power directly from the OBD II Data Link Connector in your vehicle. Then you can read/clear trouble codes. Find out why the check engine light is on before you visit a mechanic. - Save money by fixing simple problems yourself.