The silicone floor lamp has a dimmer installed, which can be activated by stepping on the stem of the lamp, which takes a little bit of practice. The lamp takes one standard sized screw-in lightbulb. 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.