[Broad Compatibility] The V520 Auto OBDII Scanner Diagnostic Tool supports all OBD2 protocols: KWP2000, J1850 VPW, J1850 PWM, CAN, and ISO9141. It is compatible with 99% of cars, light trucks, SUVs, minivans, and trucks made after 1996 in the US. If your vehicle has an OBD2 port (16Pin) and was manufactured within this timeframe, it is compatible. This device does not work with non-OBDII systems such as ABS, airbag, or oil service light systems.[Wide Capability and Full OBDII Modes] This practical multi-function OBD2 code reader features a built-in OBD2 DTC lookup library to help identify the cause of the engine light. Functions include reading and clearing codes, turning off the check engine light or MIL, viewing freeze frame data, reading I/M readiness status, retrieving vehicle VIN, testing battery voltage, displaying live data stream with graphing capability, accessing a built-in library of 35901 DTCs, performing O2 sensor tests, onboard monitoring tests, and component testing. Supports 10 languages: English, German, Dutch, Spanish, French, Italian, Portuguese, Russian, Chinese, and Japanese.[Cloud Printing Function and Dual UI Mode] Upgraded with cloud printing functionality, allowing users to print test data reports via smartphone. The scanner features a dual UI mode with a 2.8-inch color screen that supports both dark and light display modes to suit various lighting conditions.[Convenient Shortcut Functions] Enhanced with shortcut keys for improved user experience. Pressing DTC allows quick access to trouble codes, while the I/M button provides instant readiness information. Includes left and right navigation buttons in addition to up and down controls, offering more intuitive operation compared to previous models with limited directional buttons.