ABOUT PRODUCTSuitable for 7-pin heavy European standard trailer. The trailer electrics adapter size: 9.5(H) * 3.5(D)cm / 3.7(H) * 1.4(D)inch.MAIN FUNCTIONSEstablishes a secure connection between your major vehicle and the additional trailer; Transfers the electronic signal lights from the vehicle to trailer.WATERPROOFWaterproof material, can waterproof for all road and weather conditions. And the towing socket is used Metal ALUMINIUM housing, prevents rusting and enhances appearance.EASY TO INSTALLThe trailer plug without cable is used to connect the lights from the vehicle to the trailer with ease. Plug and play design, insert into socket, twist and lock, no need to change any cable.PERFECT CHOICECaravan electric towing plug and socket can make your life more convenicence and solve the plug not fitting problem. All our products are in stock and ready for immediate dispatch.DescriptionSuitable for 7-pin heavy European standard trailer.Establishes a secure connection between your major vehicle and the additional trailer; Transfers the electronic signal lights from the vehicle to trailer.Supplies power to your caravan, towing and truck.Brass pins in a durable metal housing.Waterproof for all road and weather conditions.Specifications:Item Type: Electrical Plug & SocketsItem Name: 7-Pin Trailer PlugMaterial: AluminumColor: SilverInput: 12VItem size: 9.5(H) * 3.5(D)cm / 3.7(H) * 1.4(D)inWiring configuration:PIN 1 - Yellow Wire (Left/H Direction Indicator)PIN 2 - Blue Wire ( Rear Fog Lamps )PIN 3 - White Wire ( Earth Return )PIN 4 - Green Wire (Right/H Direction Indicator)PIN 5 - Brown Wire (Right/H Tail & No. Plate Lamp )PIN 6 - Red Wire (Brake lights)PIN 7 - Black Wire (Left/H Tail & No. Plate Lamp )Included in the Package:1 x 7-Pin Trailer Plug