Use this wireless transmitter to turn any camera into a wireless camera. The RVS-DS allows you to add any one of our backup cameras to the RVS-2CAM or RVS-4CAM. Wireless transmitter works at a range of 70 feet. No need to spend hours running cabling through your vehicle, simply use this system to connect your camera and monitor without the wiring hassle. ***Note: The transmitter is not waterproof and must be mounted in a waterproof area.