Features: Pure copper contact point, good conductivity, surface plating, better corrosion resistance. Waterproof for all road and weather conditions, very durable. Converts your car's 13-pin plug to a 7-pin female socket. A simple plug-and-play design reduces cutting or unsplicing issues. Make electric vehicles and caravans/trailers compatible when towing. Widely applicable for European standard car modification, trailer bushing converter. Specification: Material: ABS + Copper Color: Black Input: 12V Pin: 13Pin 7Pin Main function: Trailer and RV taillight signals are displayed simultaneously Range of use: for commercial vehicle / semi-trailer / trailer Note: The data is all measured manually, please allow error of 1-3cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.