Whether your campsite is hit by a rainstorm or a cold front, this waterproof camera and heated lens will withstand harsh environments. Built-in microphone and speakers help you communicate with a friend outside your RV as you back into a tight space.To power the monitor, simply plug it into a 12-volt light or cigarette lighter outlet. The slim camera housing installs directly to your RV's licenseplate for a clean, out-of-the-way look. Using your licenseplate's existing mounting holes, bolt the camera down with the existing factory hardware.