Comprising ruggedized, portable, wireless, magnetically mounted camera/transmitter and color monitor/receiver, TrailerCam™ monitoring system lessens incidence of accidents when truck/trailer/tractor is backing up. Camera can positioned on any ferrous surface of vehicle and transmits video images to in-cab monitor for 90 ft min of visibility with zero latency or interference; IR LEDs permit night vision up to 36 ft. Plug-and-play, 7.1 x 2.9 x 4.8 in. monitor features 7 in. LCD.