OBD2 WIFI Diagnostic Device: This OBD2 diagnostic device is compatible with all OBD-II compliant vehicles, does not support trucks, diesel cars, electric cars, motorcycles. It can read the error code and send data to your phone or other device. It has more than 3000 generic code definitions in the database, no more hidden problems Super Multifunctional: The car diagnostic tool can list all the parameters your car needs. such as B. Engine RPM, calculated load value, coolant temperature, fuel system status, vehicle speed, short-term fuel trim, long-term fuel trim, etc. Easy Installation: You just need to download the OBD diagnostic software and connect it to your phone via WIFI. Then you can check what's wrong with your car. The OBD2 diagnostic tool can only be connected via WIFI, not other ways. If you encounter any difficulties during the connection process, please contact our customer service in time. We will provide you with detailed instructions and videos Multiple Device Support: This OBD2 diagnostic code reader supports four software platforms: IOS, Android, Symbian, Windows. (Please note that Apple laptops are not supported) Applicable APP: Except for downloading the APP via the QR code on the box, you can also download other APPs you like. ScanMaster-ELM, ScanTool.net for Windows. Auto Doctor, InCardoc for IOS. Torque, Mini OBDII for Android. OBDScope for Symbian. We recommend using the mentioned free software. Some software and functions need to be loaded. Please select them according to your demand