Features: 1.Adapter provides secure connection in the vehicle side to power the trailer's signal lights. 2.7?pin connector, adopts pure copper contact for good conductivity and fast connection, reliable. 3.Standard European trailer connector, widely used in commercial vehicles, semi trailers, trailers. 4.Aluminum alloy socket, anti?oxidation and anti?corrosion, durable and sturdy. 5.Simple installation, comes with the 7?way connector, mounting bracket and necessary accessory. Specification: Condition: 100% Brand New_x000D_ Item Type: Trailer Connector_x000D_ Material: Copper+Aluminum_x000D_ Color: Black_x000D_ Shape: Round_x000D_ _x000D_ Type: Socket_x000D_ Line Length: Approx. 2m/6.56ft_x000D_ Main Function: Connect truck and power supply, suitable for trailer signal light display_x000D_ Outer Diameter of Flat Wire: Approx. 1cm/0.39in Wide_x000D_ One Wire Contains 3Red, Green and Black Wires, The Other Wire Contains 4 Brown, Blue, Yellow and White Wires, and the White Wire has Terminals Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store