IF INPUT AC VOLTAGE :AC 110V THEN OUTPUT AC VOLTAGE : AC 220V<br />AUTOMATIC THERMAL FUSE & GLASS FUSE PROTECTION<br />AUTOMATIC THERMAL FUSE IS INSIDE OF THE TRANSFORMER WITCH IS PROTECT THE TRANSFORMER OVER HEAT<br />CAUTION: WHEN THE INPUT VOLTAGE OF YOUR COUNTRY IS NOT AC 110, NO NEED TO PUSH THE SWITCH UNDER THE COVER (CONVERTER IS PRESENT IN AC 220V)<br />Package 1pcs converter + 1 Multiplug ">