This reverse parking system is truly fantastic value, offering you the same technology found on brand new cars from many high end manufacturers such as BMW, Audi and Mercedes, for a small fraction of the price they charge to fit such systems. Everything needed to install the system is included in the kit, including 4 motion sensors, LED/audio warning display, control unit, power unit and cables. You are even supplied with a drill bit to ensure fast and accurate installation. A fantastic kit, offering you brilliant technology, a must for anyone who struggles with parking, or anyone who simply loves automotive gadgetry.