Details 

Caravan/Boat 3 Pin Plug to Car Cigar Lighter Adaptor. Enables appliances fitted with car cigar lighter plugs to be used with Clipsal type 2-Pin socket outlets. Useful for: Car vaccuum cleaners, car phones, 12V kettles, coffee makers, 12V battery chargers (camcorder, etc.), and many other items fitted with car cigar lighter plugs.