Easy to Use Automatic Diagnostic Tools No battery or charger. Plug in and use. The scanner quickly detects engine fault codes and erases fault codes. Even a beginner can use this device to read the fault code and know the engine problem. Save time and money. Wide Compatibility: The scanner works with all compatible vehicles; Supports 6 languages including English, German, Italian, Spanish, French, Dutch.; Practical car diagnostic tool: No need to charge mobile phone connection and APP. Directly displays the fault code and the meaning of the code. This information includes values (voltage, speed, temperature, etc.) and system status information (open loop, closed loop, fuel system status, etc.). LCD screen: The diagnostic tool's fault code reader with LCD screen is graphic data well displayed on the 2.8 inch TFT LCD color screen for a better user experience (128 x 64 pixels). Powered directly from the vehicle's data link port with low power consumption. The cable is long enough without being too long and getting in the way.