WAC Lighting DL-214-BK Display Light Low Voltage with Plug In Transformer, Black,WAC Lighting,DL-214-BK" /> Fixture head and connector are aluminum. Periscoping arm is Steel. Clamp is heavy duty polycarbonate. Bi-pin socket is ceramic with Silver Plated contacts Flexible arm allows a full range of vertical and horizontal orientation Includes 2 inch clamp and 10' cord with a class ii 120V plug-in transformer (1 watt Min load to accommodate LED lamps) Smooth and continuous dimming to 10% when installed with an electronic low Voltage dimmer Accepts one 12V LED MR16 or halogen MR16 lamp up to 50W max (not included). standards: UL & CUL listed for Damp locations Low voltage models include a 60W 3-prong grounded "plug-in" class 2 electronic transformer and a 2" clamp 60W Plug-In transformer 12V, 50W max MR16 Lamp (ordered separately) Black Finish