Compatible with CVI, TVI, CVBS and AHD video devices, suitable for 1080P 3MP 4MP 5MP 8MP CCTV cameras, monitor, DVR card and recorder, etc. Easy installation, using standard CAT5 UTP cable system and low voltage power. Note: They are not compatible with POE POC devices. Connector 1: RJ45 jack to BNC male / DC male, Connector 2: RJ45 to jack BNC male / DC female. Length: 17.5cm/6.9in. Main color: black. Material: plastic + metal. Video and power transmission via CAT5.A UTP cable Maximum distance lengthCVI / AHD / TVI 720P 960P: 250m / 820ft, 1080P 3MP 4MP 5MP 8MP: 200m / 656ft MAX; B Maximum transmission distance: CVBS / analog 960P: 300 m / 1000 ft Note: the RJ45 video balun is not waterproof. For indoor use only. Make sure the RJ45 for camera side and DVR side are the same standards. NOTICE: Supply voltage drop calculations: for 12V 1A DC, the Cable distance should not exceed 90 feet/27 meters. For longer distances, please use 14V DC, 16V DC, 18V DC, 20-48V DC.