Balun BNC to RJ45 Video Transmitter Receiver HD-CVI/TVI/AHD/CVBS with Power Connector for 1080P 3MP 4MP 5MP 8MP CCTV Security DVR Surveillance Camera System 4 Pairs-19CM

4 pairs. Length 7 inches/19 cm. plastic. black. Connectors 1: RJ45 plug to BNC male/DC male, Connector 2: RJ45 plug to BNC male/DC female. 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 UTP CAT5 cable system and low voltage power supply. The LED indicates green light works, the model yellow light does not work. Video transmission via UTP CAT5. Power voltage drop calculations: For 12V DC 1Amp, the cable distance should not exceed 90 feet / 27 m. For longer distances, please use 14V DC, 16V DC, 18V DC, 20-48V DC. The RJ45 video balun is not waterproof. For indoor use only. Make sure the RJ45 for the camera side and the DVR side are the same standards. Improper mixing of colors can lead to burning of the camera and devices.