Suitable for European standard trailer. Converts the 7-pin socket on your car to the 13-pin female socket. Establishes a secure connection between the main vehicle and additional trailer, supporting synchronous display of the electronic signal lights from vehicle to trailer. Deft appearance, stable performance, and convenient usage. Made of premium material housing, weatherproof. Easy installation, plug and play. [Power Up Trailer Light]: 13-pin to trailer 7-pin adapter makes connection between trailer plug and vehicle socket, light up tail lights, brake lights, turn signals, and reverse lights. [Easy to Use]: Standard round 7-way connector easily snaps into trailer's existing socket and holds securely, no wiggle room, no loose fittings. [Material]: Enhanced brass contact pins provide reliable connection; brass also offers better conductivity and corrosion resistance. [Wide Application]: Widely used in trailers, RVs, cars, boats, etc. Converts the 13-pin socket on your car to the 7-pin female socket. Plug Type: EU Plug, compatible with countries including Germany, France, Spain, Italy, and others. Voltage: 12V Manufacturer Part Number: 343514 Material: ABS + copper Color: Black Package Contents: 1 x Trailer Coupling Adapter Note: Light and screen display differences may cause slight variation in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.