[WIDE COMPATIBILITY] Professional V302 OBD2 Scanner supports multiple languages including English, German, French, and Spanish. Please verify compatibility with your vehicle before purchasing. This car diagnostic tool is powered directly by your vehicle's OBDII connector; no batteries or chargers are 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 allows independent diagnosis of trouble codes with instant code definitions, helps assess vehicle health, and prepares you for professional service with clear diagnostic information. [OBDII COMPREHENSIVE SYSTEM TEST] This OBD2 scanner provides advanced engine diagnostics, including O2 sensor and EVAP system testing. Perform EVAP leak tests to evaluate fuel tank 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: Slight color variations may occur due to lighting and screen differences. The measurement tolerance is ±1–3 cm.