X431 Master is a new automotive diagnostic product and designed by LAUNCH with the technology of 'Open Control Platform for Vehicle' representing the highest level of automotive diagnostic technology in the world. It has the function of read DTCs, read datastream, actuation test, sensor waveform display and ECU coding. It's faster to communicate with cars than X-431 by integrated structure to save time in work. It can test most of cars by using the unique 16 PIN connector which integrates the function of all 16 PIN connectors of X-431. 24V operating voltage capability is added to work with different kinds of batteries. It is easier and more conveniet to operate than X-431 based on the smart design.