Our 2 Wire Component Video Cables use 18AWG pure copper center conductor cores, and are DUAL SHIELDED using 100% aluminum foil + TINNED COPPER Braid. All lengths are CERTIFIED Class-2 for in-wall installation. Component audio cables can support HI DEFINITION audio signals from your DVD, BluRay, Satellite, and Cable boxes for PREMIUM audio. (Video support not provided in a 1 wire harness. Please see our 5 Wire Cable for video AND audio.)