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.Easy to View:High-quality LCD digital display, real-time display of green, yellow and red 7-segment LED light bar to indicate obstacle distance.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: ABSParking Sensor Color: Black / White(optional)Parking Sensor Quantity: 4pcs / 8pcs(optional)Working Voltage: 12 V(9.6-16V Wide Voltage Operation)Working Current: 20-180mADetection Distance: 300-2500mmDisplay Distance: 300-2500mmAlarm Volume: 80dBWorking Temperature: -40-80Frequency: 40KHz1KHzDisplay Size: 81 * 40 * 40mm/ 3.2 * 1.6 * 1.6inControl Box Size: 90 * 60 * 22mm/ 3.5 * 2.4 * 0.9inSensor Size: 24 * 24 * 19mm/ 0.9 * 0.9 * 0.7inPackage Size: 195 * 160 * 60mm/ 7.7 * 6.3 * 2.4inPackage Weight: 4pcs: 430g/ 15.2oz8pcs: 590g/ 20.8oz4pcs Probe Packing List:1 * Controller Host1 * LCD 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 * Stickers8pcs Probe Packing List:1 * Controller Host1 * LCD Display (5m Cable Length)8 * Probe (2.5m Cable Length)1 * Power Cable (0.8m Cable Length)1 * Drill Bit (Standard Diameter 22mm)1 * Instruction Manual2 * Sticker