Samuel Swing Arm Desk Lamp with Mica Shade and USB Port Overall: 21 1/4&quot; high. Base is 7&quot; wide. Shade is 5&quot; across the top x 12&quot; across the bottom x 7 1/2&quot; high. 14 1/2&quot; max arm extension from center post to outer edge of shade. Weighs 9.3 lbs. Takes one maximum 75 watt standard base bulb (not included). On-off socket switch. Integrated 5V DC 1.0A USB port in base for use with smartphones or tablets only. 1 amp. Mica material lamp shade, industrial bronze finish on metal base. Due to the natural mica material, slight variations in shade color tone or appearance may occur. Overall: 21 1/4&#034; high. Base is 7&#034; wide. Shade is 5&#034; across the top x 12&#034; across the bottom x 7 1/2&#034; high. 14 1/2&#034; max arm extension from center post to outer edge of shade. Takes one maximum 75 watt standard base bulb (not included). On-off socket switch. Mica material lamp shade, industrial bronze finish on metal base. Due to the natural mica material, slight variations in shade color tone or appearance may occur. Integrated 5V DC 1.0A USB port in base for use with smartphones or tablets only. 1 amp. Incandescent, LED, halogen, or CFL light bulb. A19 shape; standard E26 medium base. Dimmable with compatible dimmers and bulbs, sold separately.