1. Trailer Adapter: The adapter allows to convert European style 13 way round to American style 4 way flat, suitable for trailers and RVs. 2. Plug and Play: The adapter minimizes the hassle of installing and wiring, which is plug and play, convenient to use. 3. Reliable Shell: The shell adopts high strength ABS plastic, which is light and wear resistance, with great weather resistance, waterproof, anti rust and oxidation. 4. Great Stability: Heavy duty plastic construction has good stability, which is not easy to be , brass terminals provides excellent electrical conductivity. 5. Secure Connection: The adapter can perfectly compatible with your vehicles, easily snaps into socket and holds firmly without loosing and shaking. Item Type:Trailer Plug Adapter Conversion Type:13 pin European type to 4 pin American type Applicable: Trailer, RV Color:Black Material:Metal+ABS Package Contents: 1 * Trailer Conversion Plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.