Alvin desk lamp features a parabolic head with a brass metal shade. Finish available in antique natural brass, deep patina bronze and polished nickel. Includes Hi-Lo dimming switch. Available in a swing arm wall sconce, desk and floor lamp version. One 60 watt, 120 volt, A19 medium base incandescent lamp not included. Task lighting distribution. Shade dimensions 7W x 3.25H. Base diameter is 8 inches. Height of fixture is adjustable 12-20.5.