High Quality MaterialThe solar panel extension cable is made of tinned conductive copper material to ensure good electrical conductivity. The solar connector shell is made of PP insulation material, which has excellent aging resistance and UV resistance.SpecificationsProfessional solar photovoltaic cable, TUV, CE certification, cross section: 6mm², temperature range: ambient -45°C +85°C, conductor resistance: (20°C) ≤ 5.09 Q2 /KM, weather resistance: UV, rated current: 45A.UsageTwo cables with connectors connect one end to the solar panel and the other end to the solar charge controller. If you are not satisfied with our products, you can support unconditional refunds.Dedicated connectorEasy to install and disassemble: quick and easy assembly and easy removal of the socket without additional equipment, which is very convenient .IP67 WaterproofPolyolefin, flame retardant insulation material, conductive part, tinned copper material, IP67 waterproof, floodproof, dustproof, weatherproof,