Frame made of solid walnut, lacquered. The nickel-plated surfaces are polished. 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.