VCT VT-500 Step Up/Down Voltage Transformer AC 110/220V Power Converter - 500 Watts Converts 110/120 V to 220/240 V OR converts 220/240 V to 110/120 V (switch is on back of unit 500 Watt Maximum Capacity, heavy-duty continuous use transformer 3 outlets on front of unit (outlets accept 3 or 2 prong US plugs and 2 prong Euro/Asian plugs Insulated power cord is hard wired with a grounded European Shucko plug also good for Asian outlets Comes with 2 prong US adapter to enable non-grounded use in the USA, Canada and Mexico