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 The Seidel Arch is a special kind of candle arch (german: schwibbogen) that has been created by Holger Seidel. The arch runs with 220 Volt electricity system. Seidel is a small workshops that only crafts a small number of items each year compared to large workshops.