We offer 3 + 1 cctv cable. 3+1 cctv cable are used in cctv application in that the 1 core is for co-axial cable which is used to carry the video signal & remaining 3 are carry the power. The co-axial cable consist of solid anneild bare copper copper conductor of electrolatic grade. In the brand name of sathyam, expo, kflex available in the stock