4000 Watt Step Up & Down Voltage Converter Transformer for Conversion Between 110 Volt and 220V / 240 Volt Worldwide Use (THG-4000(2-Way) (300 Watt)

300 watt heavy-duty continuous use transformer designed for use with 110 volt or 220 volt input power. Converts single phase 220/240 volts down to 110/120 volts or 110/120V up to 220/240 volt. Works with both 50Hz and 60Hz. One grounded universal outlet located on the front of the unit (accepts 3 or 2 prong plugs from most countries). Hard wired with a European Schuko plug, also suitable for Asian outlets. Built-in fuse protection (2 extra fuses included). Sturdy construction with a heavy-duty cord. CE approved and certified transformer.
Purchase guide: remember to leave at least a 100 percent slack for the voltage converter transformer. For TVs, Xbox and game consoles, the power surge margin is 3 times the rated wattage. For heating appliances, laser printers and power tools, you need to leave a power spike margin of at least 3 to 4 times the rated wattage