iSmart 10 Pair (20 Pcs) Mini CCTV BNC Video Balun Transceiver, Video Passive Balun for HD-TVI/CVI/AHD/Analog/960H Camera IB1015 EASY SETUPIt's easy and fast installation with standard UTP cable system, no rj45 crimping tools required.neater wiring.cctv baluns has "two screw terminals" that allow you use cat5,bring you convenience when you are running wire long distance you need them. HIGH QUALITYIt's with surge&transient protection,super interference rejection,they help eliminate poor quality picture and remove lines and shadows.get the best video quality,transmission distance to 1500m with any active UTP video receiver,full-motion CCTV video at distances up to 550m when used with any passive transceiver. COST SAVINGWe can run the cat5 wire long enough as I need,It's saved me tons of money and save a lot of time,you don't need to guess on how long of the BNC type wire you need to buy,It's instead of co-axial cabe,it's cheaper and easier to use than co-axial cable. APPLICATIONBNC offer long distance video singal,dc can be powered at long distances for camera,It's compatible with all (720P/960P/1080P) HD-CVI, HD-TVI,HD-AHD Cameras,prefect used for cctv security system. 12-MONTHS WARRANTYOffers you a 100% money back satisfaction guarantee within 1 year! respond within 24 hours,If you have any question.without worry about,try it now.