Throw a stone in a lake; observe the waves formed by the sound of music or the signal of a satellite tower. "Frequency" is an avantgarde interpretation of the classic armed chandelier with ribbed glass spheres floating in orbit within precision welded concentric ascending steel rings finished in gold or silver leaf. An LED downlight is housed within the center globe. Sconce is made of steel and glass Uses one 2watt bulb Approx. 4.8"L x 10.8"W x 11.8"T UL listed Sold individually. Includes hanging hardware Professional installation is recommended Wipe clean Imported Weight, 4.0lbs Boxed weight, approximately 13.8lbs 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.