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.With digital colored LED display (number & light). 5.Self-inspection system, can automatically check abnormal condition itself, avoiding reversing collision. Specification: Features:_x000D_ _x000D_ This is a set of reverse system parts for vehicles to ensure drivers' backup parking safety. _x000D_ Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. _x000D_ Provide 4 radar sensors, which is of high sensibility, to ensure your traffic security and personal safety. _x000D_ With digital colored LED display (number & light). _x000D_ Self-inspection system, can automatically check abnormal condition itself, avoiding reversing collision. _x000D_ With a drill head, convenient to drill hole. Easy installation and operation. _x000D_ _x000D_ Specification: _x000D_ Material: Plastic _x000D_ Radar Color: Black, Red, White, Silver, Blue(Optional)_x000D_ Working Voltage: 12V DC_x000D_ Detecting Distance: 0.3 - 2.5m_x000D_ Voice Broadcast: English_x000D_ Package Weight: 376g/13.3oz_x000D_ _x000D_ Package list: _x000D_ 1 * Monitor_x000D_ 1 * Receiver_x000D_ 4 * Radar Sensors _x000D_ 1 * Hole Saw _x000D_ 1 * Power Cable_x000D_ _x000D_ Note:_x000D_ 1. It is easy to install, but professional installation is highly recommended. _x000D_ _x000D_ 2. 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: