Features: Adapter piece 13 to 7 pin short adapter trailer adapter Here you can buy a short adapter / plug adapter. Waterproof for all road and weather conditions Convert your car's 13 pin socket to 7 pin socket For connecting the car, brake lights, parking lights and so on Suitable for European standard trailers, commercial vehicles, semi-trailers. Description: Weight: 80g Size: 9*10*4.5cm Contact material: copper Output voltage: 12V Technology: injection molding Version: plastic housing Pin Count: 13 pins convert 7 pins Insulation material: engineering plastic Package Included: 1 x 13-7 pin Converter .