Transmit video signal via UTP Lan cable Can be used as a receiver and as transmitter Maximum 450m color video working distance when used with passive UTP Video transceiver Passive design (no power required) Built intransient suppression protection and -protection Fast and easy installation, no power required. Type:4CH Colour:Silver Material:Plastic+Metal Package Contents: 1 x Passive Video Balun Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. BNC Female to 8 Pin terminal block Video signals from 4 different cameras can be transmitted over RJ45 single network cable BNC Female connectors, directly connect to your BNC Male connector CCTV Camera, no adapter and high qualityPassive Video Balun For AHD CVI TVI Max 1080P Video balun enable you to reduce material and installation costs