Features:Function:Trailer Wiring RV supply wire connector junction boxes provide safe and reliable trailer wiring installation markers to easily identify the correct connection.Easy to use: Quick identification of marks allows for convenience and less effort.Durable: Durable anti-corrosion and windproof black plastic box, can guard the internal wiring.Tidying up trailer wiring: A sturdy 7-hole trailer terminal box with 7 terminal studs provides safe and reliable trailer wiring installation.As a gift: Give it to your friends at Christmas or Halloween.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Size:One Size