Features: 1. This electrical converter allows changing a European style 7-pin adapter to a US style 7-pin connector. 2. Extension cable adaptor for electrical compatibility between vehicle and caravan or trailer when towing. 3. 7-pin trailer cable adaptor supports all road lighting functions, including reverse lights, to help ensure towing safety. 4. Made of high-quality plastic, resistant to high and low temperatures, acid, and alkali, providing durable performance. 5. Wide application suitable for commercial vehicles, tow trucks, caravans, passenger cars, vessels, and more. Specification: Item Type: Trailer Connector Material: Plastic Input Voltage: 6-24V Wiring Reference Information: Pin 1 - Yellow wire (left turn signal) Pin 2 - Blue wire (rear fog lamp) Pin 3 - White wire (ground/return for turn signal) Pin 4 - Green wire (right turn signal) Pin 5 - Brown wire (right tail and license plate lamp) Pin 6 - Red wire (brake light) Pin 7 - Black wire (left tail and license plate lamp) Note: The new or old version of this product may be shipped at random. Please ensure you are comfortable with this before placing your order.