This CE Certified 500 Watt Heavy-Duty Continuous Use Voltage Converter Transformer Can Be Used In Both 110V/120V Countries and 220V/240V Countries With 50Hz / 60Hz * Step Up 110V/120V To 220V/240V Or Step Down 220V/240V To 110V/120V (Switch Is On The Back Of The Unit) * Two Outlets On Front Of The Unit For Each Voltage 110V and 220V. On/Off Power Switch With Indicator Lamp; Wired With A Grounded USA Plug * The 220V Outlet Has A USA Patented Universal Output Socket That Will Accept All Types Of Plugs except The Big South African Plug * Fuse Protected - 2 Spare Fuses And A Grounded European Shucko Plug Adapter Included For Use In Europe and Asia. " CE" Certified