These 'President' desk lamps were designed by the Bauhaus designer Christian Dell in the 30s and are in the rare original color green - a design classic. Due to the classic ball joint of the Kaiser lights, the lampshade is very flexible and adjustable, the lamp arm is additionally tiltable. This offers a variety of ways to tailor the lighting individually tailored to your own needs. The lights each have an E27 socket. 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.