All-in-one Travel Adapter Plug with Surge Protector and USB by Walkabout Travel Gear Offers surge protection on both 110 (North America) and 220V (International) power. Has USB port. Also works on ungrounded outlets -- important in developing countries. Universal input -- accepts non-grounded or grounded North American plugs, as well as British, European, and most others. Very small and lightweight. Safety shutters. New model accepts polarized plugs. Electrical adapters are built in so you don't need separate adapters for most countries, including all of Europe, China, Australia, and most others. Walkabout Travel Gear does not sell to other retailers. Only orders from Walkabout Travel Gear guarantee the quality of the adapter and qualify for Walkabout Travel Gear's warranty.