Uses 15 40-watt max, E12 bulbs (not included). We recommend energy-saving LED bulbs, such as our LED Candelabra E12 Bulb (SKU: 6610071B134). Adjustable drop length ranges from 15"-151". Iron chain with an antique, gold-foil finish measures 141" long. Clear PVC cord measures 149" long. Canopy measures 8.25" w x 5" d x 0.75" h. Hardwired; professional installation recommended. Mounting hardware included. Safety tested for use indoors and in dry locations that are not directly exposed to excessive moisture and water.