1. Conductor:4pairs 24AWG strand bare copper or solid bare copper with PE insulation&PVC Jacket &50u gold-plated. 2.Test:Pass the FLUK DTX-1200 tester 3.Colors:gray.blue ,yellow ,red or as your requirements 4.length:1m,2m,3m, 5.Standard Approval:TIA/EIA-568A/B;ISO/IEC 11801 CLASS D;CM/CMR FLAMERTEST