Description: 1. 7 ways in 4 and 5 ways b-adapter fox snow trailer plug adopts 2 in 1 design, which combines 4 way plug with 5 way plug and can be used by most trailers, easy to convert 7 round connector into 5 way and 4 way round connector 2. Strong and durable-plug with copper pin contacts, better electrical conductivity. With strong PA66 nylon housing, it is highly waterproof, wear-resistant, fireproof and cold-resistant, and extremely durable 3. Completely dustproof design--With two dust covers on the plug, it can prevent the plug from being infected by dust. When only one of the plugs is used, the other can be covered to better protect it 4. Simple to use-Plug and play, no need to rewir, very convenient and time-saving, suitable for every 5. Wide Application-Widely used in trailers, RVs, cars, boats, etc. Features: Easily convert 7 way plug to 5 way and 4 way plug Trailer plug adapter provides 4 and 5 way plugs which are suitable for most trailers, thus solving the problem that you always change the adapter. It is made of high-quality copper core and PA66 nylon housing, which greatly improves the electrical conductivity, and at the same time can achieve waterproof, dustproof, wear resistance. It can be used on rainy days without any problems in. There are two dust covers on the plug for better protection for plugs 4 and 5. Plug and play, no rewiring, very convenient, easy to tow the trailer. Package Included: 1x7 Way 4 Way & 5 Way Adapter