Crimestopper CA5009.II Backstopper Display with Buzzer: * 4 ultrasonic sensors with quick disconnect waterproof connectors with 16" cable length * Sensors can be painted to match the color of the vehicle * 4-stage audible obstruction warning * Buzzer is small and easy to mount * Shallow vertical sensing area * Sensors can be mounted on vehicles with low bumpers or aftermarket body kits * Includes hole saw bit for drilling sensors into bumper and extra mounting shims to raise or lower detecting angle