Reliable Connection: The 3-pin trailer connector establishes a secure connection between the vehicle transfers to the trailer and the electronic signal lights.Supreme Quality: The 12v 3 pin trailer socket and plug has passed CE and RoHS certification. They are made of high quality plastic and brass pins with a durable housing.Weatherproof: The waterproof 3 pin trailer plug socket with silicone waterproof rubber gasket. Thermoplastic housing prevents rust or corrosion, extending life.Universal Fitment: This 3 prong electrical towing plug and socket is suitable for most 3 prong trailer connector wiring systems, such as farm machinery, RV, boat, truck, caravan.Excellent Construction: Simple plug-and-play design reduces cutting or splicing issues. It is easy to replace the old or damaged one.