Stainless steel, steel mesh and aluminium. Halogen bulb 12 volts, 50 watts, GY 6,35 socket (EU/US standard). Electronic safety transformer 230/125/12 volts, black, with dimmer. The ball-and-socket joint enables the lamp to be tilted and swivelled in any direction. The movable telescope arm extends from 40 to 75 cm, and the reflector angle is also freely adjustable. Complete with bulb.