Connect your vehicle and trailer: This 3 pin trailer connector socket allows you to create a stable and reliable connection between your vehicle and attached trailer and transmit electronic signal lights efficiently. Waterproof Design: This trailer connector socket features a high-quality shell and a rubber gasket that creates a seal against water and dust, which improves its anti-rust and waterproof capabilities and prolongs its service life. Convenient trailer connection: With this trailer connector socket, you can easily connect your trailer and the power supply, so you can display your trailer signal lights without any hassle. It is compatible with European standard trailers and is simple to install. Smart design: This trailer connector socket is easy to install for a new tow bar without additional tools, and has a design reasonable that can replace a damaged cover on an existing car. Wide Applications: You can install this connector socket on your boat trailer, car, RV or utility vehicle in minutes. It is designed to provide a secure and durable connection for your towing. Trailer Adapter Connector: This product allows you to connect your trailer to a new tow bar and to transmit electronic traffic lights. It has a high quality shell that is durable and weather resistant. It fits European standard trailers and is easy to install. Size: about 6.3 * 6.3 ** 6.8 cm | 2.48 * 2.48 * 2.67 inch Contact material: copper Type: Socket Shape: round Features: waterproof Needles: 3 Output voltage: 12V Main function: connect the trailer and the power supply, suitable for trailer signal light display. Scope of application: commercial vehicle/trailer/RV/car/ship, etc. Packing list: 1pcs * socket trailer connector Notes: 1. Due to different display and lighting effects, the actual color of the product may be slightly different from the color shown in the picture. 2. Due to manual measurement, please allow 1-3cm measuring deviation.