It feels best at 220 volts. But with the provided replacement plugs, the Vilcus can also be used at 110 volts. Makes a great gift for those special friends. (from the people who brought you the LCD keyboard)
Kropla's World Electric Guide - outlets / power plugs of the world (map), along with an index of international voltages and frequencies for travellers. Plugs in the future: modular, stylish, smart, eco-friendly, rotating, collapsible, or gone entirely.