FOCUSHD 100 Feet CCTV Pre-made BNC/DC Siamese Video And Power Extension Cable For 720P/1080P Camera And DVR Video Surveillance System PRO-CABLE: 4 Pack x 100ft Upgarded 22 AWG in-wall shield BNC video power cabling specially design for upgrading security HD 720p 1080p surveillance cameras STABLE: Reliable copper wire and heavy-duty gold-plated pin connectors ensure the excellent video power transmission , it's durable, free from interference and signal loss EASY: Total of 400ft plug and play installation increase the wiring distance, the male to male BNC connector included for easy extension COMPATIBLE: Work well with all Kguard,Night Owl,Q-see,Swann,Zmodo and any other CCTV device with BNC & Power extensions/outputs GUARANTEE: As long as 2 year warranty, 365 days, 7/24 technical support from FOCUSHD