LED digital display with BiBi sound reminder. 4 sensor system double CPU and advanced chipset to enhanced coverage and detection.</br>Be beneficial to prevent dangerous and costly collisions.</br>Help to provide increased safety for passengers pedestrians and family members who happen to be around the moving vehicle.</br>Detect small children and low walls as well. Anti-freeze and rain proof.</br>Easy installation and operation. With a drill head convenient to drill hole.</br></br>Product Description</br></br><p>The professional car parking sensor consists of ultrasonic sensors digital control box and LED display. This system detects the distance between the car and back obstruction with ultrasonic sensors installed at the rear bumper of car.?</p><p>Car LED Parking Reverse Backup Radar System with Backlight Display + 4 Sensors Blue</p><p>Features:<br /> LED digital display with BiBi sound reminder.<br /> 4 sensor system double CPU and advanced chipset to enhanced coverage and detection.<br /> Be beneficial to prevent dangerous and costly collisions.<br /> Help to provide increased safety for passengers?? pedestrians and family members who happen to be around the moving vehicle.<br /> Detect small children and low walls as well.<br /> Anti-freeze and rain proof.<br /> Easy installation and