Features:Support On-Board Diagnostic two / EOBD nine standard protocols.Support On-Board Diagnostic functions such as vehicle fault diagnosis and real-time data flow.With data waveform display, data storage and playback functions.Data with emission detection.The engine fault code reader has a 2.8-inch TFT color display, built-in buzzer, one-button I/M ready and DTC database, screen/button self-test, compatible with 4 languages, English, Chinese, German, French and 3 Unit of measurement, 4 feet of fine quality extension cord allows you to use the on-board computer reader when you take it out of the car.Fine reliability, wide voltage range of 8-36V, with stronge overcurrent and overvoltage protections.It can accurately test more than 16 vehicle operating parameters and use real-time waveform display, including but not limited to engine cooling temperature, short-term fuel adjustment, engine coolant temperature, intake air temperature,