This pack achieves impeccable results because, unlike conventional transformers / converters, this converter converts both voltage and frequency to 110V / 60Hz, which is exactly what you would get if your device was plugged into a US electrical outlet. . . Other converters only convert the voltage to 110v but do not change the frequency (50 hertz is supplied in Europe). This hair clipper converter achieves flawless results because, unlike conventional transformers/converters, this item converts both the voltage and frequency at your foreign destination (whatever it may be) to 110v/60hz, which is exactly what you would get if your device were plugged into a US electrical wall socket. Other converters only convert the voltage to 110v but not the frequency (determined by the country you are i.
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