Features: 1.This is a set of reverse system parts for vehicles to ensure drivers' backup parking safety. 2.Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. 3.Provide 4 radar sensors, which is of high sensibility, to ensure your traffic security and personal safety. 4.Car LCD Display screen become blue when the parking sensor is working,it is beautiful and dazzling. 5.Beep notifies the driver of the distance and position of obstacles. Specification: Features: This is a set of reverse system parts for vehicles to ensure drivers' backup parking safety. Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Provide 4 radar sensors, which is of high sensibility, to ensure your traffic security and personal safety. Car LCD Display screen become blue when the parking sensor is working,it is beautiful and dazzling. Beep notifies the driver of the distance and position of obstacles. Comes with buzzing alarm for safe warning. Self-inspection system, can automatically check abnormal condition itself, avoiding reversing collision. Three stages indicating the closer the obstacle, the faster the beeping frequency. Specification: Material: ABS Plastic Radar Color: Black, Red, Silver, White, Blue(Optional) Working Voltage: 12V DC LCD Screen Size: 2inch Detecting Distance: 0.3 - 2.5m Package Weight: 418g/14.7oz Package list: 1 * LCD Monitor 1 * Receiver 4 * Radar Sensors 1 * Hole Saw 1 * Power Cable Note: It is easy to install, but professional installation is highly recommended. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. PackageList: