Car diagnostic tool for OBD2 code reader & scanner1、The large 2.4‑inch LCD display can easily read information. 4‑button control, up and down buttons for scrolling the menu, Enter and Exit buttons can be used to navigate backward and enter the menu. 2、Quickly read and clear stored code related to emissions, pending code, and display code definitions. Support to turn off the failure indicator (check the engine light), clear the code and reset the monitor, and view frozen frame data, display the monitor and I/M ready status (emissions), read the real‑time PCM data stream and retrieve vehicle information (VIN, CIN and CVN). 3、No battery or charger is required, and power can be obtained directly from the OBDII data link connector in the vehicle. It can test the car battery, show you the boost state and voltage of the car battery, and let you know the test result. Purchase a barcode reader with battery test function 4、Powerful OBD2 code reader that provides basic OBD2 functions, such as reading and erasing codes, disabling MIL, I/M ready control, frame freeze data viewing and receiving vehicle information. This will help you easily understand the problem area of the car. 5、Widely used in the automobile maintenance industry, suitable for automobile, electric automobile maintenance technicians and families, corporate vehicle maintenance and 4S shop maintenance, etc. 6、Adopt imported OBD2 data processing module,sensitive response,quick clearing of faults on request.