Full RangeAs a factory direct brand, we provide full range 7 pin 13 pin trailer plug for trailer, caravan, tractor 3 pin plug, trailer adapter, trailer tester, extension cable trailer lights, trailer lights, LED warning lights, look for our brand for details. Real StuffThese 7-pin metal trailer plugs use durable real metal aluminum housing, not easy to break or damage in bad road conditions and weather conditions. Pure copper contact pins and waterproof design will provide a better secure connection with your vehicles. European Standard The holding company of the brand has been operating in the field of automotive spare parts, trailer hitches for European and UK vehicles for over 17 years. All of our products have passed CE, RoHS approval, are ISO 1724 compliant. Voltage ApplicationsThese trailer sockets are used for electrical connections between a vehicle and a towing trailer or a caravan with 12V electrical system, transferring the electronic signal from the car/vehicle lights to the trailer.Suitable for trailers, caravans, cars, tow bar, bicycle Transporters, truck, tractor, vans, motorhome.