4pcs Parking Sensor Car Reverse Parking Aid Sensor Reversing Vehicle Backup Detector System (Black) <p>【Perfect Function】 The reversing sensor system is installed on the rear hood of the car with 4 sensor systems, which can withstand frost and rain. Dual CPU and advanced chipset for enhanced coverage and detection. When there are obstacles or danger of 0-2.5M, the sensors will emit BIBI sound to alert you according to the distances of the obstacles.</p> <p>【Premium Quality】 The car parking sensor is made of material for good durability and long service life. The system is designed with protective circuit and components to prevent overheating or overloading. Don't worry about rain or snow penetrating into the sensors and freezing.</p> <p>【Easy to Install】 Drill bits and double-sided tape are provided in the package for easy drilling and fixing. User guide is included, so it is not difficult to install by hand</p> <p>Safety】 Sensor system with protective circuits prevent overheating or overloading. The reverse parking assist helps avoid dangerous and costly collisions while driving and provides increased safety for passengers, pedestrians, and family members around the moving vehicle</p>