Features:* Brand new and high quality* Made of high quality material, durable and practical to use* This fantastic trailer lamp converter made by Carrofix is designed to separate the "stop" signal from the two-wire system of the American vehicle to connect a European trailer (caravan, boat trailer, bicycle racks and more). It provides an electrical solution that if you have an American vehicle with a 4-way flat and want to connect a European trailer with a 7-way round pin.* If your American vehicle has a 4-pin flat connector and your European trailer has a 7-pin round plug where your American car needs to separate the stop and tail signals, this Trailer Wiring Adapter will need to be used.* This electrical converter allows you to change the American style 4-way flat plug for European style 7-pin connector* Plug and play design, minimize the hassle of installing new wiring inside, without other adapters* Includes dust cover on the trailer EURO 7-pin side plug to keep the plug clean when not in use * Converter with function to separate the stop signal from US vehicle two-wire systems * Wiring American 4-way vehicle to trailer connector with European 7-way wiring trailer installation instructions:A) before connecting the converter to the vehicle, check that all signals in the car have been turned off. B) connect the converter to the existing US 4-pin connector on the vehicle. C) Insert the other side of the EU trailer plug into the socket adapter. D) check that all connections are secured. E) during operation, maintenance of the electric adapter is not required.* Please check your vehicle and trailer to confirm whether it meets the requirements of the converterPackage Included:1 * Light ConverterNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.