SEECOM 2Pack 60ft Pre-Made All-in-One BNC Power and Video Surveillance Cable Siamese Cords Ready for HD Analog Cameras CCTV Security Cameras Female to female BNC connectors included Length: 60ft(18M)Each Plug and play installation increase the wiring distance Excellent transmission quality Compatible with all Kguard,Night Owl,Q-see,Swann,Zmodo and any other CCTV CCTV device with BNC & Power extensions/outputs