Package Included18 AWG Silicone Wire Spools, 30ft of each 6 colors ( black, red, blue, yellow, white, green ) 180ft in total. Super low impedance & Highly Efficient Connection. MaterialHigh-purity Tinned Oxygen-free Copper Conductor & Silicone Rubber Insulator. 18 Gauge stranded wire is easy to handling, stripping, welding & crimping. Specifications18 AWG Copper Wire Conductor: 150 strands 0.08mm Tinned Copper, Insulator: Silicone Rubber, OD: 2.3mm, Rating Temperature: -60 to 200, Rating Voltage: 600 Volts, Rating Current: 12A. Ultra FlexibleThe combination with high count stranded 0.08mm copper wire & soft silicone rubber insulator makes 18 Gauge automotive wire super flexible, also with great bending performance. Applications18AWG battery wire Widely used for RC Lipo batteries, automotives, solar panel, motor lead wire, model planes, model cars, model ships, lamps, electric heating appliances etc.