Trailer adapter: 13 to 7.12V, allows connection of a trailer with a 7-pin plug to a vehicle with a new 13-pin socket (new). Easy installation: no tools required, a few minutes and it's done. The 13-pin for your output end and the 7-pin for your trailer. Robust and space-saving. Made of excellent quality ABS plastic, super strong and durable, guaranteed for at least one year of use. Pocket-sized, very space-saving, a practical car accessory. Only suitable for people who have a car with a 13-pin socket, but have a 7-pin trailer, please confirm before purchase. 13-pin to 7-pin tow adapter, trailer plug adapter for truck trailer Features: Uses injection molding technology. Waterproof for all road and weather conditions. Convert your car's 13-pin socket to a 7-pin female socket. Transfers electronic warning lights from vehicle to trailer. Suitable for European standard trailers, commercial vehicles, semi-trailers, etc. Safe and reliable performance, reasonable design. Smart appearance, convenient to use. Specifications: Item type: Electrical connectors and sockets Item name: 13-pin to 7-pin adapter Material: Engineering plastic Voltage: 12V Color: Black