BOYO VTC700RQ-4 4Ch digital wireless car rear view with DVR system, 4Ch digital wireless car rear view with DVR system; Simple installation: No video cables required; Simple installation: No video cables required; Total digital wireless, no interference, no privacy leak; 7" LCD monitor with integrated video recorder; Support up to 32GB SD card; 10ft night vision range; Waterproof outdoor cameras IP66 rating; 12/24 VDC power for monitor (cigarette power jack); Video output function for bigger monitor; Great for RVs, Trucks & Trailers; Support trigger function for turn-signals; Reverse/Non-Reverse view image selectable