1,Manufacturer for security cable 2,Standard: CE, IEC 60331-23/60332-3 ,ROHS ... ,ROHS 2.Other Specifications for your reference: Fire Retardant Shielded Security Alarm cable : No. of Cores x Nominal Cross Sectional Area ... -1Smoke density EN 61034-2 / IEC 61034-2 fire resistant CCTV security cable 2x0.5sqmm shielded twisted pair cable