[7 POLE ADAPTER] This 7 pin socket is suitable for all standard European trailers and caravans. [WATERPROOF AND RESISTANT] Provide electricity to your trailer, bike rack, caravan or all-weather horse carrier - A spring-loaded tab protects the contacts from water and dirt when not in use and a rubber gasket seals the contact between the car cable and the socket . [SIMPLE SCREW APPLICATION] Mount the trailer 7-pin socket using the holes and three screws provided - make sure the socket is secure and secure. < p>[SUITABLE FOR ALL 12V SYSTEMS] This 7-pin plug works for cars, caravans and trucks - the galvanized contacts ensure optimum conductivity. [DELIVERY] 1x 7-pin adapter, Socket for connecting trailers and caravans made of durable, splash-proof, spring-loaded and UV-resistant plastic.< /p>