YY Trade Inc 500 Feet 95% Copper RG59 Siamese CCTV Cable Video & Power in One RG 59 Security Cameras BNC connectors for video and 2.1 mm plugs for power Length markings every 2 feet 500 feet video/power cables in white or black 95% Copper content for high conductivity any question,ask sales@yytrade.net!!! This item is only from YYTradeInc,no other vendor!!!