Procurement of materials selected Adar ship industry and trade, marine cable manufacturers, marine cables provided by Jada Tianjin Industry and Trade. We are Tianjin Adar Ltd. (www.yada-cbwz.com) located at: Tianjin specializing in: marine labor supplies, marine life-saving fire supplies, marine sheet clamp tool, marine sling, etc. [Jada workers Trade to recommend star product - marine cable] market using ordinary camera DC 12V power supply is about 200 ~ 300mA operating current marine cable manufacturers, integrated camera for 350 ~ 400mA. If a small number of cameras (less than 5), and a host of camera and monitor the short distance (less than 50 m), each camera individually cloth RVV2 × 0. 5 power cable to the control room and powered by a small transformer. If a larger number of cameras, you should use high-power 12V DC power supply centralized power. [Adar Industry and Trade to recommend star product - Marine Cable] Model Name range VV VLV PVC insulated power cables laid in the room, pipelines, tunnels VV VLV PVC insulated, PE sheathed power cable laid in the room, pipelines, tunnels VV22 VLV22 PVC insulated steel tape armored PVC sheathed cables laid in the ground, able to bear external mechanical forces VV23 VLV23 PVC insulated steel tape armored PE sheathed cable