(Vision Works) System includes: 2.5” LCD color monitor, wide angle camera, mounting bracket with 2 sensors, and installation cables. SmartZone Sensing technology actively senses the location (Left, Middle, Right), and how far away the object is from the vehicle, letting the driver know the exact location of an object. Green, Yellow, Red indicators on each side of the monitor let you know how far the object is away from the vehicle. Detects objects up to 5.5 feet away - GREEN (5.5 - 3.5 feet), YELLOW (3.5 - 1.5 feet) RED (1.5 - 0 feet). Sensors are adjustable to provide maximum detection for your specific vehicle. Wide angle camera adjusts for optimal viewing. Camera has ability to adjust up/down for maximum vertical view. It can also adjust left/right for exact horizontal viewing. This allows you to move out of the way of the lift gate. Easily mounts behind your license plate. 1-year warranty.