CabCAM Video System; Touch Button (Includes 7" Monitor and 1 Camera) CabCAM CTB7M1C's 1/3" CCD Weatherproof Color Cameras - Infrared Illuminators allow up to 32 feet of night visibility, image mirroring function, made to withstand off-road conditions, audio capabilities. 7" TFT LCD-Color Touch Button Monitor - Embedded control box for direct power input for cameras, 4 camera capability, automatic button backlighting, 1 video & 1 audio output. A-CTB7M1C System can be expanded to support up to four cameras. The A-CTB7M1C Touch Button CabCAM Camera Observation System's camera is ruggedly constructed to withstand wet, rough, and dusty conditions.