3-Pin Male-Female Trailer Plug --- Suitable for 3-pin European agricultural vehicles, establishes a secure connection between the vehicle and the additional main trailer, transfers electronic signal lights from the vehicle to the trailer, ideal for new towbars or to replace damaged plugs on existing cars. European Standard --- Passes European CE, ROHS certification, reliable standard wiring system for European trailers, reliable and safe performance, waterproof for all road and weather conditions. Waterproof Design --- This 3-pin waterproof connector with waterproof silicone rubber gasket, thermoplastic plastic housing prevents rust or corrosion, allowing for long life. Easy to Install --- Without cable is used to easily connect the vehicle lights to the trailer. Plug and play design, the plug fits into the socket, no need to change the cable and solves the problem of the wrong plug. 3-pin female-male trailer socket, Pass Europe CE, ROHS certification, reliable and safe performance,