Parking Sensor system1.stage-by-stage sound alarm to avoid ... are specialized in manufacturing Parking Sensor system,car parking sensor,parking sensor,parking aid,reverse parking sensor. PARKING SENSOR Main features: 1.Auto ... blue, Orange,red,LED display in Left/Right Obstacle;Specification:1.Working voltage:DC12 V+2V2.Working temperature:20+853 ... .5m4.Voice volume : ≥73dB VFD Display Car Parking Sensor