[WIDE COMPATIBILITY] Professional V302 OBD2 Scanner supports 8 languages (English, German, French, Spanish, etc.). Please check compatibility with your vehicle before purchasing. This car diagnostic tool is powered directly by your vehicle's OBDII connector; no batteries or chargers required. [MULTIPLE FUNCTIONS] This code reader for cars and trucks enables you to read and clear engine error codes, analyze live data streams (with graphical displays), view freeze frame data, check readiness status, monitor inspection readiness, and retrieve vehicle information with detailed indicator displays. It helps you diagnose trouble codes with instant code definitions, assess vehicle health, and prepare for service visits with clear diagnostic information. [OBDII COMPREHENSIVE SYSTEM TEST] This OBD2 scanner delivers advanced engine diagnostics, including O2 sensor and EVAP system testing. Perform EVAP leak tests to verify fuel system integrity and emission compliance. O2 sensor testing helps optimize air/fuel mixture, improving fuel efficiency and reducing emissions. Color: Red & Black Material: ABS Package Contents: 1 × Scanner 1 × English manual Note: The actual product color may vary slightly due to lighting and display differences. Measurement tolerance is ±1–3 cm.