Help to prevent dangerous and costly collisions. Detect small children and low walls as well.</br>Help to provide increased safety for passengers?? pedestrians and family members who happen to be around the moving vehicle.</br>Anti-freeze and rain proof. LED Digital Display And Easy to install</br>6 Piece Rear Parking System. 4 Ultrasonic Sensors. 4 Alarm mode - 3 colors - Green?? Yellow?? Red.</br>One Year Warranty Included.</br></br>Product Description</br></br>This YueYueZou?? Car Reverse Backup Radar System consists of 4 Ultrasonic sensors?? digital control box?? and LED display?? making the job of parking any vehicle much easier.<br> It auto detects the distance between the car and back obstruction through the sensors installed at the rear bumper of the car. It helps to avoid the dangerous and costly collisions that occur so easily behind the wheel. <p> Features:<br> - 4 sensor system?? double CPU and advanced chipset for enhanced coverage and detection<br> - With colored LED display<br