describe 1 pair (1 piece black + 1 piece red) 3m 6.0mm solar extension cable Compatible with photovoltaic cables with different insulation diameters, Solar Compatible With excellent aging resistance and UV resistance Created sealing gasket, dustproof design, large current and high voltage load capacity No need tool---Install without the tool box for your solar panel, it is very easy for you For example, these installed solar cables are used to connect solar panels to the generator junction box or to pass between solar panels. The cable is weatherproof, UV and ozone resistant. In addition, they are very flexible and can withstand high mechanical loads. Each cable is equipped with a solar plug or solar coupler. The solar cable is ready to plug and easy to install. Features: Suitable for dry and humid rooms and outdoors, even in direct sunlight. Ozone resistance, UV resistance, halogen-free, acid and alkali resistance. Rated current: 70A Insulation wall thickness: 0.5mm Sheath thickness: 0.5mm Rated voltage: DC: 1.8kv AC U. /U: 0.6/1kv Rated temperature: -40~+120 Product conductor: copper wire structure Insulation material: PVC insulation material Package includes: 1 red and 1 black. 1 meter each