4Ucam Digital Wireless Camera + 7" Monitor for Bus, RV, Trailer, Motor Home, 5th Wheels and Trucks Backup or Rear View DIGITAL Wireless Back-Up Camera System, 0% Interference, 0% statics, 100% crystal clear picture guaranty. DIGITAL Wireless System, no need for complex connect wire layout, easy install. 11 high-powered IR LEDs for 50 feet night vision, with SONY 1/4" high-resolution CCD. Metal case with 10G-force rated shock resistant, IP66 waterproof of resistance grade For use with 12V-24V DC electrical systems, comes with cigarette lighter power adapter for the monitor. Comes complete with everything you need to install, easy to read English installation manual