Easy to Use: When the vehicle is engaged inreverse gear, the reversing radars system automatically enters the detectionworking state. Accuracy: 30-250 centimeter-level displayaccuracy, accurately display the distance of obstacles, stop the vehicle in time. Sound Alarm: The 'BiBiBi' buzzer will givea step-by-step alarm prompt, the closer the distance is, the faster the alarmsound will be. Reliable Quality: Dual CPU design, quickresponse, support probe self-check function, abnormal status prompt, preventingreverse collision caused by probe damage. Easy Installation: Flush mount design withdrill bit for easy drilling on car bumper. It is compatible with 12 V vehiclein the market. Specifications:Material: ABSParking Sensor Color: Black / White(optional)Working Voltage: 12 V(9.6-16V Wide VoltageOperation)Working Current: 20-180mADetection Distance: 300-2500mmDisplay Distance: 300-2500mmAlarm Volume: 80dBWorking Temperature: -40-80Frequency: 40KHz1KHzDisplay Size: 120 * 32 * 14mm/ 4.7 * 1.3 * 0.6inControl Box Size: 90 * 60 * 22mm/ 3.5 * 2.4 * 0.9inSensor Size: 24 * 24 * 19mm/ 0.9 * 0.9 * 0.7inPackage Size: 172 * 128 * 55mm/ 6.8 * 5.0 *2.2inPackage Weight: 375g/ 13.2oz Packing List:1 * Controller Host1 * LED Display (5m Cable Length)4 * Probe (2.5m Cable Length)1 * Power Cable (0.8m Cable Length)1 * Drill Bit (Standard Diameter 22mm)1 * Instruction Manual2 * Stickers