??Description:The Car Reverse Radar Sensor System helps to prevent dangerous and costly collisions that occur so easily when behind the wheel.It also helps provide increased safety for passengers¡ê? pedestrians¡ê? and family members who happen to be around the moving vehicle. Detect small Children and low walls as well.The system detects whether there is a obstacle through the Ultrasonic Sensor¡ê?indicates the direction and the distance of the obstacle via alarm ¡ê? avoiding the costly backup collisions.Compatible with\uff1aThe car parking sensor will fit any make of car or vehicle¡ê? van¡ê? caravan¡ê? trailer and horse boxes.So that is a parking sensor for any vehicle - your vehicle¡ê? anywhere in the world operational in all conditions.Feature\uff1aRate voltage: 12V DCRate operating range: 10.5V - 16V DCRate current: 100mA - 300mADetecting distance: 0.3 - 2.0mUltrasonic frequency: 40KHzControl moudle working temperature: -30 - 80 celcius degreeDisplay working temperature: -20 - 70 celcius degreeIndicator size: 4.1 x 1.6cmSensor size: 1.9 x 2.5cm (H x D)Main control box size:5.9 x 8.9 x 2.5cmWeight: 316gSpecifications:4 sensor system¡ê? double CPU and advanced chipset for enhanced coverage and detection (0-2.5m).High sensitivity.With sound alert when the 4 cameras detect dangers.The closer the obstacles¡ê? the louder and faster the sound alert.Anti-freeze and rain proof.The buzzer sounds in different frequency according to different distances. Details shown in the following:Package included:1 x Main Control Box1 x Sound Alert Indicator4 x Parking Sensors1 x Hole Saw1 x Power Cable2 x Double Side Sticker4 sensor system¡ê? double CPU and advanced chipset for enhanced coverage and detection (0-2.5m).The closer the obstacles¡ê? the louder and faster the sound alert.Help to provide increased safety for passengers¡ê? pedestrians and family members who happen to be around the moving vehicle.