product description:what you get : in this connector set, it include 15 pack upgraded high quality bnc male connectors for cctv home security both video rg59 rg6 coaxial cables and dc power cable connection.high quality : soldering free with high quality material screw on terminal lock, pure brass contact, gold-plated pin includes isolation tube for easy stable diy video connection.upgraded bnc connector : heavy-duty well constructed dc barrel jack connectors for reliable coaxial rg59/rg60 720p, 960p, 1080p high-definition surveillance camera video transmission cabling project.compatible : these bnc male connector can compatible with all cctv analog, ahd, tvi and sdi home security high-definition camera surveillance system.choose us : we provide quality assurance. if you receive a defective product or have any problems during use, please feel free to contact us, we will provide return and exchange service at any time.