Crimestopper CA-5014.MATT.2 Backstopper (TM) Rear Parking-Assist System with Mini Led Display & Matte Sensors Rear Parking-assist System With Mini Led Display 4 Ultrasonic Sensors In Matte Finish Sensors Can Easily Be Painted To Match Factory Bumper Can Be Used As A 2-sensor Or 4-sensor System For Use With Small Or Large Vehicles Audible (beep) & Visual (led Display) Alerts Help Ensure Vehicle Safety