Product Name: Wireless Car Parking Rear Reverse 4 Sensors Buzzer Radar LED Display Audio Alarm Model NO.: avp WC001 Type: Sensors Trademark: ate Transport Package: Retail Box Origin: China Product Description Wireless Car Parking Rear Reverse 4 Sensors Buzzer Radar LED Display Audio AlarmNo wire between the main unit and the LED displayThe radar system turns on automatically when the car engine startsBeeping alarm prompt step bystep, closer the obstacle, more rapid the alarm sound.Three colors green, yellow, red LED lights indicate obstacle distanceObstacle specific position distance shows on the LED screenDouble CPU for rapid response4 sensors with 2.5 meters lead for the rearSpecific figure for distance shows on the LED screenHigh quality and easy to install!Item conditionThe item will be as described in this listing. Packaged carefully, we go to great lengths to make sure the item will reach you quickly and in perfect condition.