Conductor material: bare copper Number of conductor: 4 pair (8 cores) Sheath material: PUR foam (Yellow) Insulation material: PE (blue/blue-white, orange/orange-white, brown/brown-white, green/green-white) Overall diameter: 7.6mm Strength member: Kevlar reinforced (>300bl) Filler: water block material Installation tempt.: -40~90 centigrade degree Application: underwater