Crafted from nickel-plated iron decorated with a painted finish and glass crystal accents. 43 Chandelier uses twenty 40-watt max, E12 bulbs (not included). 32.5 Chandelier uses twelve 40-watt max, E12 bulbs (not included). 22 Chandelier uses eight 40-watt max, E12 bulbs (not included). We recommend energy-saving LED lights. 43 Chandelier adjustable drop length ranges from 46.4-188. 32.5 Chandelier adjustable drop length ranges from 36.8-165.5. 22 Chandelier adjustable drop length ranges from 26-157.75. Chain measures 142 long. Can be mounted on a vaulted ceiling. 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. In order to protect the delicate crystals of this collection, some assembly upon delivery to your home will be required.