UPGRADED SOLAR CABLE 2.0 - This listing will get you one pair (1x black and 1x red) Solar Extension Cable with Male and Female waterproof connectors, made of tinned copper BUILT-IN LOCK SOLAR CONNECTORS - The built-in lock on the solar extension cables are designed to protect water and dust from entering the cables and to prevent cables from falling out due to outdoor environments. MALE AND FEMALE CONNECTORS - Our solar connectors are fitted with a male and female solar panel connectors. Can be used with solar extension cables to connect to the solar panel system WEATHERPROOF SOLAR WIRE - Our solar wiring cables featuring IP67 waterproof connectors to withstand extreme cold and heat for water proof conditions. Suitable to be used outdoors on your solar panel roof, boats, RVs, or auto vehicles that use solar panel power PACKAGE CONTENTS - Our solar panel cables come in various wire gauge sizes (10, 12 AWG) and length options (20ft, 25ft, 50ft, 100ft). Typically, 10 AWG solar panel cable wire is the largest diameter. Using a larger diameter solar wire extension cable minimizes loss of power in your solar panel system.