Crafted from iron with a hand-worked Antique Silver foil finish. Uses twelve 40-watt max, E12 bulbs (not included). We recommend energy-saving LED lights. Hardwired; professional installation required. Mounting hardware included. Chandeliers weighing more than 50 lbs. cannot be mounted alone to a standard outlet box and require additional bracing above the ceiling where they are to be installed. Professional installation is required. Safety tested for use indoors and in dry locations that are not directly exposed to excessive moisture and water.