Solar cable extension is made of high quality material to good electrical conductivity. The solar connector shell is made of insulating material, which has aging and UV resistance. Professional photovoltaic solar cable, -sectional area: 6mm, temperature range: -45C +85C, test voltage: 6500V, conductor resistance: (20C) 5.09 Q2/KM, weather resistance: UV, rated current: 50A. Solar panel cable (3meter red +3meter black) with connector can be used directly, no need to install cables and connectors by yourself, no need to buy additional connectors. Two cables with connector, one end connects to the solar panel, the other end connects to the solar charge controller, do not cut the crimping terminal of the cable or connector, if you need a crimping tool or wrench, you can you buy in shop. retardant insulation material, IP68 Waterproof, Floodproof, , Weatherproof, Designed for extreme heat and cold, Specially designed for photovoltaic , Designed for extreme weather, it can be directly buried in the ground . Designed for heat and cold and can be used outdoors in any weather. color:Black+red Material:Plastic + Metal Package Contents: 2 x solar cable extension Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.