[WIDE COMPATIBILITY] Professional V302 OBD2 Scanner supports 8 languages including English, German, French, and Spanish. Please verify vehicle compatibility before purchase. This diagnostic tool is powered directly through the vehicle's OBDII port, requiring no batteries or external power source. [MULTIPLE FUNCTIONS] This code reader works on cars and trucks, allowing users to read and clear engine fault codes, view live data streams with graphical displays, access freeze frame data, check system readiness, monitor inspection status, and retrieve detailed vehicle information. It provides instant trouble code definitions, helping users assess vehicle health and prepare for professional maintenance services. [OBDII COMPREHENSIVE SYSTEM TEST] This OBD2 scanner offers advanced engine diagnostics, including O2 sensor and EVAP system testing. Perform accurate leak tests on the EVAP system to evaluate tank integrity and emission compliance. The O2 sensor diagnostic function helps optimize air/fuel mixtures, enhancing fuel efficiency and reducing emissions. Color: Red & Black Material: ABS Package Contents: 1 x Scanner 1 x English Manual Note: The actual product may vary slightly in color due to lighting and screen display differences. This does not affect functionality. The package includes only the items listed. Measurement error allowance is +/- 1-3 cm.