iBeam by Metra TE-BR4PSK Bumper Waterproof Connection Rubber Rear Parking Assist Brand: iBeam MPN: TE-BR4PSK Condition: New The iBEAM TE-BR4PSK parking sensor kit consists of ultrasonic rubber sensors and a control box. The system detects the distance between the vehicle and any obstructions with the use of the ultrasonic rubber sensors mounted in the bumper and audible warning will be heard. Designed for vehicles with metal bumpers Waterproof connection to protect them from the elements Sensors are already angled to fit most metal bumpers Adjustable high tone/low tone/off switch on the buzzer Ultrasonic detection Audible alarm Specifications Rated Voltage: 12V (9-16V) Rated Current: 20mA~200mA Detecting Distance: Rear (0’ – 5’) Front (0’- 2.5’) Ultrasonic Frequency: 40Khz Working Temperature: -22°~176°F