Floor lamp ideal for reading or room lighting the lamp arm is height-adjustable and the lampshade can be swivelled\. lampshade diameter 25 cm lamp base diameter 29 on and off: cord switch floor lamp requires 1 light bulbs (socket: e-27) the luminaire has been rewired according to current safety standards and can be used in the usa and all other countries around the world. all types of light sources e27 porcelain lamp socket can be used (led, energy-saving lamps, etc.). european plug (up to 250v).the wiring of this item may be original and might need replacement, if not specified otherwise.