reversing sensor 4 for rear /back sensor 4 for front

various model , multi-function . and best price. we will be your best partner ------13 years professional manufacturer -12 years Alibaba Golden supplier

the RD-037 main featuere as follows:

1.Alarm with mini LED display
2.Embeded "bi..bi.." buzzer and Left/Right tri-color lamp
2.2~8 pieces different color sensors is available
3.Different type waterproof sensor
4.Sensor could be with waterproof plug, it's convenient to replace sensor
5.Easy installation
6.Alarm volume: 75~90 dB
7.Power(DC): +9~+16 V
8.Operation temperature available: -35~+75 degrees