Metal, plastic. The flexible arm allows variable adjustment of the reflector. Reflector rotates through 360 degrees around the bulb. A fine plastic string secures the position of the reflector.Light sourceWith halogen bulb 60 W, 2800 K, 980 lm, 2000 h, CRI 100, EEC D (as at Feb. 2014). Socket G9, for max. 60 W, compatible with bulbs of the energy classes A++ - E.Technical dataFor 230 or 125 volts.DimensionsCanopy 8,5 cm