Easy to UseAuto Diagnostic Tools No battery or charger. plug in and use. scanner quickly detects engine error codes and clears the error codes. Even a beginner can use this device to read the error code and know the engine problem. Saving time and money. Wide Compatibility: Scanner Works with all compliant vehicles; ;Supports 6 languages including English, German, Italian, Spanish, French, Dutch.; Practical Car Diagnostic Tool: You don't need to charge the mobile phone connection and APP. Directly displays the error code and code meaning. 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 fault code reader with LCD screen is graphic data well displayed on the 2.8 inch TFT LCD color screen for better user experience (128 x 64 pixels) . Powered directly from your vehicle's data link port with low power consumption. The cable is long enough without being too long and in the way. 1 OBD2 Scanner is perfect for beginners and professionals. With MIL Switch Off, I/M Read Test, Freeze Frame Data and Vehicle Information, you can locate fault areas and track the health of your vehicle. The problems you might have are