WarningThe 500W transformer cannot support high-wattage appliances (e.g., coffee makers, hair dryers, rice cookers, microwaves, AC units, or curling irons). For these devices, use our 3000W transformer. Voltage transformer (110V to 220V,220V to 110V)We provide you a safe, dependable, stable, cost-effective & easy solution to converting voltages from 110 volts up to 220 volts or from 220 volts down to 110 volts.[!Please switch to the correct input voltage before you plug in(110V in US/CA/MX,220V in UK/EU/Australia/Hong Kong etc.)] Rated Power: 300W Continuous / 500W Peak (Max)The Voltage Converter Transformer can be used with any kind of appliance or device up to 300 watts, like CPAP Machine, Electrical toothbrush,Laptop, Mobile phones, audio amps, Television, Xbox, etc.Exceeding 300W continuous / 500W Peak usage may trigger overload protection. AC outputs 1 US Standard Socket for 110-120V appliance(s) & 1 Universal Sockets accept Type D/E/F/G/H/I/L for 220-240V appliance(