Explorer Desk Lamp Metal architect desk lamp is painted a glossy light grey with white shade interior. The shade adjusts 90¿ left or right and 180¿ vertically, and takes one 100 Watt incandescent or 26 Watt CFL bulb. The open shade encourages the use of a non-standard bulb, such as a decorative round bulb, vintage antique bulb or a clear silver bowl bulb. The black cord extends from the shade socket and runs through the lamp's pole. Black 1.25" plastic wheels lock base and center joints on the lamp. Shade: 2.5" Height, 12.25" Diameter (Socket cone: 4.5" Length). Line switch. Base to center joint measures 15" Length, center joint to shade adjustment measures 13" Length. 20" to 28" Height, 22" to 24" Depth. Base: 10" Diameter. Free Ground Shipping (UPS / FedEx / Curbside) Overall: 20" to 28"H x 22" to 24"D Shade: 2.5"H x 12.25" Dia Wattage: 1 x 100 Watt incandescent or 26 Watt CFL bulb.