Usage Tips: This electric converter allows you to change a US style 7-way vehicle adapter to a European 13-pin plug. Plug and play design minimizes the hassle of installing wiring inside; no other adapters required. Includes dust cover on the Euro trailer side with 13-pin plug to keep your plug clean when not in use. Converter features the function of separating the "stop" signal from the two-wire system used in US vehicles. Wiring 7-way US flat connectors on trailers with 13-way European trailer wiring. Installation Guide: a) Connect the converter to the vehicle; ensure all signals on the car are turned off. b) Connect the converter to the existing US 7-way RV blade socket in the vehicle. c) Insert the EU trailer plug into the converter socket. d) Ensure all connections are securely fastened. e) No maintenance is required during operation. Color: Black Material: ABS Package Contents: 1 x Trailer Light Converter Only the above package content is included; other items are not included. Note: Lighting and different displays may cause the color of the item to appear slightly different from the actual product. Measurement error allowance is +/- 1-3 cm.