CR688
Features:
Automatic detect obstacle when reversing
LED display the distance between car and obstacle
Sensor color optional
Performed by human voice, humanization design
Anti-interference, anti-radiation
Bearing low and high temperature
All weather design
US super misinformation-proof technology, accurate and reliable
USA Microchip CPU, quality guarantee

Technical Specification:
Working voltage: 10-15V
Working temperature: -40-85(C)
Power consumption: 3.6W (max)
Alarm distance: 1.5m-0.0m
Detective distance: 2m
Buzzer volume: 83dm
Maximum detection error: 0.05m
Front probe detection distance: side 0.8m   middle 1.0m
Back probe detection distance: side 1.0m   middle 2.0m
Speaker report distance: 1.5m, 1.2m, 1.0m, 0.8m, 0.6m, stop, stop, stop