12V AC to DC IP67 Waterproof Converter Maximize your car accessories with the elxjar AC to DC Converter. This is the simplest way to convert household electricity to 12V, to use with all your car accessories. All you need to do is plug your 12V product into the socket of the adapter, then plug the adapter into any household wall outlet. Use your portable refrigerator in the hotel to keep food fresh or your car fan for a hot motel room. Get more from your devices with the elxjar AC to DC Converter