[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 code definitions to help diagnose issues, evaluate vehicle health, and prepare for professional service. [OBDII COMPREHENSIVE SYSTEM TEST] This OBD2 scanner offers advanced diagnostic capabilities, including O2 sensor and EVAP system testing. Perform accurate leak tests on the EVAP system to verify fuel tank integrity and emission compliance. The O2 sensor diagnostic function helps optimize air/fuel ratios, 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 display differences. This does not affect functionality. Measurement error allowance: +/- 1-3 cm.