Rear view camera monitor system , also the vehicle reversing aids for commercial fleets. If you have a vehicle with a long body, poor rear visibility, or just struggle with blind spots, a reversing camera can save your vehicle from expensive damage. A monitor on the dashboard shows the driver an image from a camera installed at the rear of a vehicle showing obstructions that may not be visible in the mirrors, and makes gauging the distance to them easier. SF-402 collision avoidance radar warning system is ready help you to understand some of the options available, and how they can be fitted to your car, vans or trucks, trailer, semi trailer.