Quantity: 2 pairs Size: Length7 inch or 19 cm Material: Plastic . Color: Black Connectors 1: RJ45 jack to BNC male or DC male, Connectors 2: RJ45 jack to BNC male or DC female. Compatible with CVI video devices , TVI, CVBS and AHD, 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. LED indicates green light working, model yellow light not working. Video transmission via UTP CAT5. Note: Supply voltage drop calculations: For 12V DC 1Amp, cable distance should not exceed 90 feet or 27 meters. For longer distances, please use 14V DC, 16V DC, 18V DC, 20-48V DC. 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. Improper color mixing may cause camera and devices to burn out. and 34 Quantity: 2 pairs Size: Length7 inch or 19 cm Material: plastic . Color: black Connectors 1: RJ45 to BNC male or DC male, Connectors 2: RJ45 to BNC male or DC female.Compatible with all HD- CVI, HD-TVI, HD-AHD. Max Distance Length: 1080P 3MP 4MP 5MP 8MP: 200m or 656ft 720P 960P: 250m or 820ft CVBS or Analog Max Distance Length: 960H: 300m or 1000ft If these baluns are used outdoors without shelter, please wrap them with waterproof tape after connecting them to your cameras.and 34