E27. Bulb not included. Only EU-version (220V) available. For UK, US, CA and AU orders adapter is included.
As we are based in Sweden, all our lamps/electrical objects are manufactured according to the European standard 230 Volts and are delivered with an EU plug. You may need an adapter for your product to work properly.
Due to the new EU directives, plugs for ceiling lamps, pendants and chandeliers are not included.