Trailer adapter: 13 to 7.12 V. Allows the connection of a trailer with a 7-pin plug (OLD) to vehicles with a new 13-pin socket. Easy installation: No tools required, completed in minutes. 13 pins for the socket and 7 pins for the trailer. Robust and space-saving: Made of high-quality ABS plastic, extremely robust and durable, guaranteed to last at least one year. Practical car accessory, pocket-sized and space-saving. Only suitable for vehicles with a 13-pin socket, trailers with a 7-pin socket. Please confirm before purchasing. 13-pin to 7-pin trailer adapter, truck trailer plug adapter. Features: Injection molding technology. Waterproof, suitable for all road and weather conditions. Converts your vehicle's 13-pin socket into a 7-pin socket. Transfers electronic lighting from the vehicle to the trailer. Suitable for trailers, commercial vehicles, semi-trailers, etc. according to European standards. Safe and reliable performance, attractive design. Exquisite appearance and easy