The Jelly Bean Jungle Lamp Base and Shade uses a 60 watt bulb maximum. An energy efficient light bulb is included. The lamp shade measures 4 inches wide at the top, 10 inches wide at the bottom, and is 6.5 inches tall. The lamp base is 7 inches wide x 6 inches deep, and is 12 inches tall. Lamp has 2 prong polarized plug.