The pendant lamp needs 1 x halogen bulb. It is wired, in working condition and runs on 230 volt. For use with 110 Volt you need an adapter / transformer. Max. 100 Watt. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.