Night Owl Security 1-Pair Passive Video Balun Converters with power for Security CCTV systems - A-VB-POE-BNC Transmits video and power using CAT5/RJ45 cables Works with most Analog BNC cameras Use existing Ethernet cabling to transmit video and power Customer Support 24/7, 365 Days a Year Package Contents: 2 x Video Balun Adaptors