Lamp uses one bulb, type E14. Given dimensions are with the lampshade. Height without the lampshade: 18.5 cm Glass lamp base diameter: 11.5 cm 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.