Car Parking sensor w/ Digital LED Display Parking Reverse Back up System Radar 4 Sensors/Heads Kit,free shipping Features:4 sensor system, double CPU ... distance and the direction between your car and the back obstruction.LED display indicates Right, Middle and ... weight: 380gPackage including:1 * Main Control Box1 * LED Display Indicator4 * Parking Sensors with 2.3M Line1 * Hole Saw1 * Power Cable2 ...