VisionStat 1-camera wired Rear Observation System - 7" LCD Monitor Our most popular system for blind spot detection oringially designed for use in the heavy duty trucking environment. Systems include an upgraded digital, high quality LCD flat screen color monitor, (1) 18IR waterproof, auto-adjusting night vision camera rear view camera, wiring harness which allows reverse activation, (1) 20m cable, mounting hardware and optional monitor mounts. Monitor supports up to 4 camers (add-ons sold separately). Order additional cable if used for 5th wheel or trailer.