q The system starts automatically when reverse gear in. q The sensors will be self-tested when the system started up, the fault sensor will be indicated in the display. q Full angle LCD display, the warning sound can be turned on / off. q Sensor detecting range from 2.5 M to 0.3 M. q Wireless radio technology, accurate data transmission, easy to install. q The measuring unit can be shifted between meter and inch. q Particular outline design, integrated with car panel perfectly. q All sensors pass aging test, anti-jamming of electromagnetic wave.