20 now and from the bottom to the fitter for the green globe is 20 1/2 inches. The switch as pictured is a dimmer switch. The item "ATQ 1800 Brass Victorian Electrified Oil GWTW Banquet Parlor Lamp Hand Painted" is in sale since Saturday, April 27, 2019. This item is in the category "Antiques\Decorative Arts\Lamps". The seller is "scott-susan" and is located in Fox Lake, Illinois.This item can be shipped to United States.