1. This electrical converter allows you to convert a 7 - pin American vehicle adapter to a 13 - pin European plug. 2. Plug - and - play design reduces the hassle of installing new wiring in the vehicle and may eliminate the need for additional adapters. 3. The 13 - pin plug on the European trailer side is equipped with a dust cover to keep the plug clean when not in use. 4. The converter can separate the "stop" signal of two - wire American vehicles. 5. It can connect the 7 - pin American flat connector on the trailer to the 13 - pin European trailer wiring. 6. When connecting the converter to the vehicle, it is advisable to check that all signal lights on the vehicle are turned off. 7. Connect the converter to the existing 7 - pin American RV blade socket on the vehicle. 8. Insert the European trailer plug on the other side into the converter socket. 9. Check that all connections are securely fixed. 10. There may be no need for maintenance of the electrical adapter during use. 11. Color: Black 12. Material: ABS 13. Package Contents: - One trailer light converter - Only the above package contents are included, and other items may not be included. 14. Note: Light and different displays may cause slight differences between the item color and the actual product. A measurement error of +/- 1 - 3 cm is allowed.