Transmits audio, video and power over a single cable * Sends video up to 1,200 feet via inexpensive cat. 5 twisted pair cable * Built-In surge protection. 50 dB cross-talk and noise immunity * Come in pair, one for camera, and one for DVR * Lower cable cost: The cost of baluns plus Cat. 5 cable may less than traditional wire. Especially for high cost Plenum Coax cables