Ring lamp, design by erik magnussen, denmark. white painted steel and middle section made of opal colored polycarbonate. This lamp model is suitable for ceiling or wall mounting. This version is suitable for indoor use. Please note that the last two images show design details and light distribution. (model photos) light source: 2 x 9w, philips pl tube, g23 2-pin or 2x5w philips led core pro pl-s g23 2pin light source is not included as it is often destroyed during transport. 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, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.