Permits Plugs from other Countries to fit into the Grounded North American Electric Outlet. Accepts Plugs from most countries including UK, Europe, Australia, Italy. Input : North American 3 Prong (2 flat, 1 round) Grounded Plug (male). Output : Universal Receptacle (female). Permits plugs from other countries to fit into the Grounded North American Electric Wall Outlet. This style of plug is mainly used in USA, Canada, Mexico, Japan, American Samoa, Anguilla, Antigua, Aruba, Bahamas, Barbados, Bermuda, Cayman Islands, Colombia, Costa Rica, Cuba, Ecuador, El Salvador, Guam, Guatemala, Guyana, Haiti, Honduras, Jamaica, Nicaragua, Panama, Puerto Rico, Venezuela, Virgin Islands (U.S.& British), Trinidad and Tobago, Belize.