Superite ST-500 500 watt Voltage Converter Transformer Step Up/Down - AC 110/220 volt with USA Grounded plug and FREE European plug for Worldwide Use 500 Watt Heavy Duty Step Up/Down Transformer to convert AC 110-120 volts to AC 220-240 volts or vice versa Durable industrial type cord with fully Grounded USA Plug on cord Four input voltages: 110V or 120V and 220V or 240V CE and ISO certified, 5 Year replacement warranty Fuse Protected - FREE European plug and 2 Spare fuse