Mirror Parking Sensor Mirror to be arc to see wide angle Digital LED Distance shown on rear mirror 2-8 sensors available Mirror Parking Sensor, Rear Mirror Parking Sensor system specifications:New Color LED display in the rear mirror.Mirror to be arc to see wide angle.Alarm by Bi-Bi sound, Attention and stop word for warning to you.The simulative vehicle is displayed for front and rear, left and right.Rear mirror to be clipped on original car mirrorWith 4 rear sensor to detect the obstacle behind the car bumperTurn on/off the voice according to your desireAll kinds of sensor colors & 4/6/8 sensors & styles are availableHigh quality and easy to install.Technical Parameters:Technical Parameters:Rate voltage 12V Operation voltage range 9-16v Rated current 30-280mA Detecting distance 0-2.5m Working temperature -30~+70 degree Display size 77*16*47mm Ultrasonic Frequency 40HKZ