QWORK 10FT / 3 M Solar Panel Extension Cable with IP67 Waterproof Female and Male Connectors - 12AWG 4mm\u00B2 - 10FT Red + 10FT Black\nSpecifications: 12 AWG 4mm\u00B2; rated voltage 1000V DC; rated current 30A; IP67 waterproof male and female connectors; working temperature -40\u2103~+85\u2103.\nMinimal Power Loss: Our solar panel extension cable is 12 AWG 4mm\u00B2, one of the two largest sizes, efficiently minimizes power loss in solar panel systems.\nPremium Material: The solar panel extension cable consists of highly conductive tinned copper in the core, insolation layer in the middle and polyethylene layer outside, resistant to wear and tear.\nEasy to Use: Connect one end to the solar panel and the other bare to the solar charge controller.\nCustomer Service: Enjoy a smooth & worry-free return service within a month. For any questions feel free to contact us, we will be here for you.