All electrical items, unless otherwise noted, operate on 220V DC. To ensure full operation please use a converter, e.g. http://www.amazon.com/HDE-Universal-Voltage-Converter-Adapter/dp/B001AHTEEU This lightarch was designed in 2013 by Michael Müller. The small Michael Müller workshops crafts high quality pieces with only small volumes. The arch runs with 230 volt.