Features: Easy to Use: When the vehicle is engaged in reverse gear, the reversing radars system automatically enters the detection working state. Accuracy: 30-250 centimeter-level display accuracy, accurately display the distance of obstacles, stop the vehicle in time. Sound Alarm: The "BiBiBi" buzzer will give a step-by-step alarm prompt, the closer the distance is, the faster the alarm sound will be. Reliable Quality: Dual CPU design, quick response, support probe self-check function, abnormal status prompt, preventing reverse collision caused by probe damage. Easy Installation: Flush mount design with drill bit for easy drilling on car bumper. It is compatible with 12 V vehicle in the market. Specifications: Material: ABS Parking Sensor Color: Black or White(optional) Working Voltage: 12 V(9.6-16V Wide Voltage Operation) Working Current: 20-180mA Detection Distance: 300-2500mm Display Distance: 300-2500mm Alarm Volume: 80dB Working Temperature: -40-80 Frequency: 40KHz1KHz Display Size: 120 x 32 x 14mm or 4.7 x 1.3 x 0.6in Control Box Size: 90 x 60 x 22mm or 3.5 x 2.4 x 0.9in Sensor Size: 24 x 24 x 19mm or 0.9 x 0.9 x 0.7in Package Size: 172 x 128 x 55mm or 6.8 x 5.0 x 2.2in Package Weight: 375g or 13.2oz Packing List: 1 x Controller Host 1 x LED Display (5m Cable Length) 4 x Probe (2.5m Cable Length) 1 x Power Cable (0.8m Cable Length) 1 x Drill Bit (Standard Diameter 22mm) 1 x Instruction Manual 2 x Stickers