Can it be used in 220V-240V countries like Australia, Europe, Israel, etc.? NO. For safety reasons, it's recommended to use a Voltage Converter / Transformer that's max watts is at least 50% higher than your appliance. Buy 120V to 100V Voltage Converter 500watts Step Down toroidal Voltage... 【Voltage transformer 120V to 100V】It converts 120V supply voltage in the U.S. Japan Voltage, Frequency, and Plug Type: Guide to Plugging In - Living ron Vengeance Helmet 3D Fle | Etsy Would this work on a airwrap/drill/coffee machine? NO. 1 Circuit Breaker 2 Copper Coil 3 Compact Step Up Step Down Transformer Yinleade 500W 120V To 100V Japan Voltage Convete Step Down Converter For European Travel Resettable Circuit Breaker Kindly notice that when overloaded,it will pop out autoatially. Some appliances with a motor or heating, such as hair dyer, power tools, oven, laser printers and coffee maker, require 2-4 times more watts at start up than the printed rated wattage. 【what you get】500 Watt 120v to 100v Voltage Converter,Power Cord w/USA Grounded 3-Prong Plug,Manual 【Multi-function】The Voltage Converter Transformer can be used with any kind of appliance or device up to 300 watts, like heater,player,yogurtia, audio amps,cassette deck,turntable,Television, consoles, etc. If you want to use a 110V American electrical appliance with Japan's 100V power supply, you only need to replace it with a Japanese standard power cord. Toroidal Core Technology With pure copper coils, the voltage converter has stable output and low consumption.Compact 17.5-11-8cm,2KG Can it convert the frequency from 50Hz to 60Hz? NO. 【1*120V & 1*100V SOCKET】100V Socket for Japanese appliance & 120V Socket accept U.S. Detachable Power Cord Easy Switching to the correct country cord. 【For optimal use】 For optimal use, it's recommended to use a Voltage Converter that's max watts is at least 50% higher than your appliance without a motor.