Radar anti-strike system can automatically survey the obstacles that behind/ in front of the car. Two to eight sensors design, the first company using double-angles sensor that is overall detection and make our products more precise. Showing the distance of the obstacles within 2.5 meters behind the car in digital and plasma screen. When the distance behind the car and the obstacle is less than 1.5 meters, the buzzer will change its voice into alarm. Our products have installed intelligent switch of volume, its sound can be adjusted free or to mute. Inside installed waterproof design that makes it just like original equipment and assures perfect effect. Hidden glue loop and fixed electro-eye that makes never loosing. Long-time aging and anti-strike disposal assures the good quality. Perfect bond of the Germany technique, the specialty making and military industry technology also. When reversing the car, packing sensor detect the obstacles behind the car automatically. Detecting range: 0.35m-2.5m after the car. Sound warning range: 0.0m-1.5m. Changing the sound of alarm step by step and the more nearer of obstacle the more acute sound. Digital showing the distance between the obstacle and the car and the surveying precision can be 1cm. Showing front, back, left and right direction of obstacle. Two to eight sensors are optional. Power voltage:10V-15V (24V) Power consumption:<3W Warning volume>80db Working temperature: -40-80°C