2in1 7Pin to 4/5Pin Trailer Adapter This durable, weatherresistant adapter allows you to connect a vehicle with a 7pin round connector to trailers that use either 4pin or 5pin flat connectors. It ensures smooth and reliable transfer of electrical signals between your tow vehicle and trailer, eliminating the need for multiple adapters and complex rewiring. Key Benefits and Features: Dual compatibility: Fits both 4pin and 5pin flat trailer plugs from a single 7pin round vehicle socket. Reliable signal transmission: Maintains full functionality for trailer lights including signal, brake, and tail lights. Heavyduty construction: Made from impact, glassfilled nylon for strength and longlasting performance in outdoor conditions. Weatherresistant design: Includes a protective dust cover to keep terminals from moisture, dirt, and debris. Easy operation: Ergonomic side grips make plugging and unplugging quick and secure without tools or wiring modifications. Universal fit: Compatible with most trailers and all standard American sockets. Practical Applications: Ideal for tow trucks needing to quickly adapt to different trailer wiring systems without carrying multiple adapters. for boat trailers, providing a dependable electrical connection even in damp or marine environments. Useful for RV owners who switch between different trailers and want a versatile solution for lighting compatibility. This adapter simplifies trailer connections, reduces setup time, and improves safety on the road by maintaining proper light synchronization across multiple trailer types. Its robust materials, smart design, and broad compatibility make it an essential piece of towing equipment for anyone who works with varied trailer setups.