- 7 Pin to 4 Pin Compatibility: This trailer adapter plug seamlessly connects most trailers, cars, and vehicles equipped with a 7 pin European bullet plug to a 4 pin American flat socket. - Superior Brass Terminals: Constructed with brass terminals, this trailer cable connector ensures excellent electrical conductivity, resulting in reliable performance. The robust ABS housing offers enhanced durability and resistance to damage. - Versatile Applications: Designed to power trailer lighting, this adapter allows you to connect the trailer plug to your vehicle's socket, activating essential features such as taillights, brake lights, and turn signals. Ideal for towing trailers, campers, and boats. - Hassle-Free Installation: Featuring a plug-and-play design, this round to flat trailer adapter is easy to install, saving you time and effort. Simply connect it, and you’re ready to hit the road. - Practical Use Scenarios: 1. Perfect for weekend camping trips, ensuring your trailer lights function properly while towing. 2. Essential for transporting boats, allowing easy connection to your vehicle for safe navigation. 3. Ideal for moving trailers for work purposes, ensuring visibility and compliance with road safety regulations. This trailer adapter provides a straightforward solution for connecting different socket types, enhancing your towing experience with dependable performance and easy installation.