1.Automatically engages as soon as you place your car into reverse.
2.Alarm with LED display(size:128*27*22 mm)
3.Embeded "bi.bi." buzzer and rainbow-LED lamp
4.2~8 pieces different color sensors is available
5.Human speaking warning is optional
6.With 8 sensors,4 front 4 rear,can detect the range both at front and rear bumper