Power Transformer 100W Step Up and Down AC 110/220V by Seven Star 100 Watt Maximum capacity Heavy-Duty continuous use Transformer Input: 110V --&gt; Output: 220V OR Input: 220V --&gt; Output: 110V Socket on Front Panel accepts both US Flat pin plug and Euro/Asian Shucko round plu Fuse protected - Fuse will cut off the current if the transformer is overloaded to protect the transformer and your appliance 2 spare fuses with 1 FREE plug adapter for USA