One-key emissions test and code reading, Works all OBDii/EOBD vehicles, LEDS and buid-in speaker indicate emission monitor, Clears codes, turns off check engine light,resets, Reads freeze frame date, Show live vehicles sensors data in text and graph, Record and playback live sensor date, Reads O2 sensor/on-board monitor test data, Retrieves vehicle information(VIN, CID and CVN?, Ehanced mode 6Functions, Keeps records of test results for off-vehicle, Multilingual menu options and code definitions