The Sweet Safari Lamp Base & Shade uses a 40 watt bulb, maximum. An energy efficient light bulb is included. The base measures 5.675 inches wide x 5.675inches deep, and is 11.25 inches tall. The shade is 8 inches wide at the top, 8 inches wide at the bottom, and is 8 inches high. The lamp has a non-skid bottom to protect your furniture.