Five unique slices of natural agate stone are individually arranged to create extraordinary pieces of art. Embrace this wall sconce's individuality and you will have a truly one-of-a-kind piece on your wall. Crafted of Steel and Natural Agate Stones in varying sizes Antique Brass Backplate Mount vertical or horizontal Professional Installation Recommended Backplate Dimensions: 20.25"H x 4"W x 1"D Agate Stones will vary in size. Expect variations in size 1-2" 2 bulbs required; Bulbs Not Included 40 Max Wattage; 120 Volts E12 Bulb Base Type Hardwire Compatible with Dimmer Switch