1    A U disk could set parameters and collect data from several dozens or even tens of vehicles, which greatly reduces work loads.

2    Buttons are film-based, with good quality and long life span. Arrangement of button layout is reasonable, checking data could be done by double clicking on buttons.

3    MCU adopts 32-digit chip, with faster speed and higher efficiency, users do not have to wait for data input and output.

4    High-quality ferroelectric memory is adopted for data storage, with low power consumption, rapid reading and unlimited writing.

5    Large LCD is adopted for displaying 4 lines of 32 characters. The interface is wholly Chinese, without checking computers for over-speed records, fatigue records and average speed 15min before parking.

6    The pre-set embedded GPS interface, which does not seize RS232 interface without paying any fees, the track of vehicle is clear.