13W CFL BulbModern and sophisticated, the Swing Arm Lamp complements any home or office set-up. The lamp''s flexible arm built of steel springs and tension control knobs extends up to 36''''. Features a sleek, high gloss finish. The clamp mounts easily to any Studio Designs table. 100 Watt U.L. approved for U.S. and Canada. 13 Watt CFL Bulb Included. Available in Black (12022), White (12024), or with LED bulbs Black (12038), White (12039) LED BulbsThe Swing Arm Lamp is now available with the more energy efficient and longer lifespan LED system. The lowvoltage requirements means less power consumption, and lower utility bills. These eco friendly LED lights arefree of toxic chemicals, and produce little to no heat. LED with 10,000 Average Hours of Life with 200 Lumens, Slightly Warm Color Temperature: 4,000K. Overall Dimensions: 39" W x 6.5" D x 7" H (Item #12038 Black or 12039 White)