TRAILER CONNECTOR ADAPTER 4/7PIN USA TO EU 1. This electric converter is designed to convert an American-style 4-pin car plug into a 7-pin European adapter. 2. Used to use "stop" from a two-wire operating system for additional use of the trailer. 3. The ideal electrical solution for towing a device with a 4-way flat trailer and a universal accessory with a 7-way round pin. 4. Plug-and-play installation without new wiring in the room, without the need for other applications or cuts. 5. The dust cover on the side of the 7-pin European plug allows you to use it when not in use. Specification: Item Type: Trailer Connector Material: plastic Length: approx. 17.7 cal Application: stop fixing devices from a device with a two-wire system for an additional trailer (camping trailer, boat trailer, bicycle holders and others). What is: a) Before deciding on the Vehicle Converter, check that all solutions in the application have been included. b) Connect the converter to the 4-pin connection in the vehicle. c) The second EU plug to be inserted into the converter socket. d) Check that all connections are securely fastened. e) No power supply maintenance is required during operation. List of ingredients: 1 x Trailer Connector