Pre-wired socket complete with gasket on a mounting plate. The kit also includes scotch lock quick connectors and an audible warning unit. Provides power for the trailer/caravan road lights. The included audible warning unit provides an audible warning that the trailer lights are connected correctly. This unit beeps with the indicators only when a trailer is connected and is often a legal requirement on modern vehicles. When the trailer is not connected the unit is silent. The brass connection pins are housed in durable plastic housings. Complete with 1.5m of cable.