VM 1875K - WORLDWIDE CONVERTER/ADAPTER KIT - 50W-1875W WITH ADAPTERS FOR FOREIGN COUNTRIES.

• World-wide Foreign Travel Converter & adapter kit
• Converts 220V to 110V, 50W to 1875W switch
• Ideal for travelling overseas
• Can be used with hair dryers, curling irons, iPods,
• Phone chargers, Camera Batteries, Shavers, etc.

This item offered here (VM 1875K WORLDWIDE CONVERTER/ADAPTER KIT) is actually two different converters built into one package. At LOW setting (up to 50W), it uses a small AC transformer to convert 220V sinusoidal waveform into a 110V sinusoidal waveform. This is the preferred approach which works well for any low power appliance.

To handle higher power, however, the AC transformer must be made bulkier and heavier (around 20 pounds just for 1000W). This makes it impractical as a travel voltage converter for large-wattage appliance. Therefore at HIGH setting (50-1875W), this converter simply uses a solid-state switch inside to chop off part of the input 220V sinusoidal waveform. This is exactly how an incandescent lamp dimmer works. However, its output waveform is highly distorted and is far from an 110V sinusoidal AC voltage.

A purely resistive appliance (such as travel iron or water heater) will work just fine regardless of different voltage waveform. But if you ever try to power an electronic appliance (such as TV, computer or battery charger) with this distorted 220V waveform, it will probably be fried in an instant! My advice is to stay away from this potentially destructive product unless you are really, REALLY careful about what to plug in.

If you have to bring electronic appliances with your oversea trips, make sure they are rated for universal voltage of 100-240V AC. Power supplies for most portable electronics (laptop, camcorder, cell-phone, electric shavers, etc.) are already designed to accept universal voltage, although some of them may require you to physically flip a voltage selection switch check the user manual or the AC input plug of your appliance to make sure. If that is the case, all you need is a set of plug adapters, which you can purchase separately without a converter.

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guys u have to stay away from this product.i just got this today and when i tried to use it to convert a 220V supply to 110V,18750W hairdryer it just exploded.flame burst out with a loud explosion after switching on the device for 2 seconds.good thing i was standing a distance away from it.i don't get it.is hair dryer not allowed? anyway,before i use it,it was already loose when i connect it to the adapter that comes with it.lousy lousy product.made in china.