Feature：

Easily convert 7 way plug into 5 way and 4 way plug!
The trailer plug adapter provides 4 way and 5 way plugs, which are suitable for most trailers, thus solving the problem that you always change adaptor.
It is made of high-quality copper core and PA66 nylon casing, which greatly improves the electrical conductivity, at the same time, can achieve waterproof, dustproof, wear-resistant. It can be used on rainy days without any problems.
There are two dust covers at the plug, which designed to provide better protection for the 4 way and 5 way plugs.
Plug and play, no rewiring, very convenient, easy to tow your trailer.