[3 POLE ADAPTER SPIN - This 3 pin plug is suitable for all standard European trailers and caravans. [WATERPROOF AND RESISTANT] Supply 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 3 pin socket to the trailer using the holes and three screws provided - ensure the socket is secure and secure. [SUITABLE FOR ALL 12V SYSTEMS] This 3 pin plug works for cars, caravans and trucks - the galvanized contacts ensure optimum conductivity. [DELIVERY] 1x 3 pin adapter , Socket for connecting trailers and caravans made of durable, splash-proof, spring-loaded plastic and a UV ow.