UTP balun hd Ventech cat5 to bnc video baluns transceiver passive with power connector compatible with all CCTV technologies( analog AHD TVI CVI ntsc pal ) 1 PAIRS rj45 75 ohn connectors Video & power Balun Gold Plated BNC (better transmission quality) long distance HD transmiter Support all video devices, such as camera, monitor, DVR card and recorder etc.  lightning proof 2000V 10/700us Easy installation, using the standard UTP cable system LED indicate whether working (green light) or not working(yellow light) .Video transmission Via UTP CAT5. Video:450m....Power:300m  with Surge Protection We have variety in the newest products in the field of security visit our amazon store writing on amazons browser: ventech camera