Interesting light patterns are created by the rectangular crystal glass diffuser Crafted of metal and glass Uses four 12watt bulbs Backplate, 7"W x 4.8"D x 1.3"T Approx. 7"W x 3.5"D x 18"T UL listed Includes hanging hardware Professional installation is recommended Sold individually Wipe clean Imported Weight, 2.0 lbs Boxed weight, approximately 4.5 lbs Proposition 65 warning for California residentsEntryway Lighting Sizing Guidelines:If a single Fixture is being installed, it should be about 1/3rd the height of the door. If 2 fixtures are being installed (one on each side), they can be slightly smaller, about 1/4th the height of the door. Fixtures should be installed at eye level; the center of the light source should be roughly 5.5amp;150;6 feet off of the ground. Garage Lighting Sizing Guidelines:Exterior fixtures illuminating the garage should be 1/4th to 1/3rd the height of the garage door.