Asa is built of an ingenious, single, continuous tube structure which also defines the upper, handle-shaped structure for carrying. It has two colour versions: white or, in its original 1961 version, with black structure and switch. Three visible elements, structure, shade and switch, make up a beautifully-proportioned ensemble.General description:White or black metal structure with matte finish.White opal methacrylate lampshade.Switch incorporated into the luminaire.Light sources:Light source included:LED bulb: 4,5W.Other light sources: Max. 60 WInput voltage: 100, 120, 230 Vac. (50 Hz / 60 Hz). According to destination.Bulb socket: E27 (Max. hgt. 105 mm / 4.1″)