Receiving and transmitting video signals over UTP CAT5 cable without using the power supply. Single-channel Passive UTP Video Balun with Humidity of 0 to 95%. Feathers: Two BNC Video Balun CCTV Camera Network Coax Cat5 Transceiver. Easy installation, using the standard UTP cable system CCTV Video Balun supports all video device, such as camera, monitor, DVR card and recorder etc. Lower budget, the price of UTP CAT 5 cable is much less than co-axial cable Using UTP cable to transmit video signal instead of co-axial Lower budget, the price of CCTV Video Balun is much less than co-axial cable Full motion CCTV video at distances up to 2000ft (600m) Male BNC allows connection directly to the camera or DVR No power required Package Content : 2 x 1CH Video Balun (Note : Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time)