Essential Check #1 Before Purchase:
This 120W step-up transformer is designed for use in the USA only, NOT for travel, and supports appliances up to 120 watts.
Essential Check #2 Before Purchase:
This 120W step-up transformer is suitable for small appliances under 120W with continuous working time within 30 minutes, such as electric sharpening station, curling irons, or printers.
Essential Check #3 Before Purchase:
This 120W step-up transformer is NOT suitable for high-power appliances such as lamps, hair dryers, coffee machines, refrigerators or other devices that need to stay on for hours at a time.
Essential Check #4 Before Purchase:
Once it shuts off, it will turn back on automatically after cooling down, which typically takes around an hour.