Power:500W <br> Input Voltage:110V/220V <br> Output Voltage:220V/110V <br> AC Outlets: 110V US standard Socket, 220V Universal Socket <br> Frequency: 50Hz~60Hz <br> Current: 9A <br>Operating temperature: -5℃~ +40 ℃ <br> Overload protections: Fuse or overload protections switch <br> Insulation class: B class <br> Plug Format : Type B <br>Color: Black<br> Item Weight: 5 Pounds <br> Item Dimensions LxWxH: 6.9 x 4.3 x 3.2 inches <br> <b>Important Note </b> <br> NOTE: This converter is designed only for European/Asian 220V (Single Phase) , it will not Work with American 220 (Dual Phase) <br> TRANSFORMER PURCHASE GUIDE: Remember to leave at least a 100 percent slack for the Voltage Converter Transformer. for TVs, Xbox and PS3 consoles, the power surge margin is 3 times the wattage rating of these products. Heating appliances, laser printers and power tools spike when you turn them On. For these products you need to buy a Voltage Converter Transformer that is at least 3 to 4 times the rated wattage.