Wsdcam 10 Pack BNC Balun Connector Adapter for CCTV Security Video Camera Coaxial/ Cat5/ Cat6 Cable - BNC Terminal Male Cat5/ Cat6 cable to BNC male connector for security cameras High quality BNC balun with solderless screw terminal and gold-plated pin great for Cat5/Cat6 coax 720p/1080p high-difinition video transmission cabling project Support all video devices: such as cameras, monitors, DVR card and recorder etc, can be used for LED light controller Easy installation, use small screw driver only. Dimension: 4.3 x 1.3cm/ 1.7" x 0.5" Cost effective by using Cat5/Cat6 cable to replace RG59/RG6 coaxial cable