Oyviny adapter easily converts a 7-way RV connector into a standard 4-pin or 5-pin flat trailer plug. It fits snugly and plugs smoothly into the existing trailer socket, ensuring a secure connection. The rugged nylon housing is waterproof and resistant to temperature extremes. Brass terminals and tin-plated contacts offer excellent conductivity, while two dust covers keep them clean. Grips on both sides of the plug make it easy to connect and disconnect the trailer wiring. Perfect for vehicles, trailers, and RVs, providing reliable connections in all conditions.