Crimestopper CA-5020 Front and Rear Parking Assist System with Dash Mounted LCD Display: * Complete front and rear protection with 8 ultrasonic sensors * Can be used as a 6-sensor system, 2 front and 4 rear * 1 control unit and 1 display for easy installation * Blue LCD display with precise detection up to 6" * Voice/audible alerts * Anti-false alert technology * Self-test function * Intelligent detection, compatible with vehicles that have tow-bars, spare tires or other protrusions on the rear of the vehicle * Detachable sensors with waterproof cable connectors * 12V power source * Includes hole saw bit for drilling holes for sensors