Crafted from iron surrounded by glass petals. 8-Light Chandelier uses eight 40-watt LED E12 bulbs (not included). 10-Light Chandelier uses ten 40-watt LED E12 bulbs (not included). 19-Light Chandelier uses nineteen 40-watt LED E12 bulbs (not included). We recommend using our energy-saving LED Candelabra E12 bulb (6610071B134). 8-Light Chandelier has an adjustable drop length of 27.5-167.5. 10-Light Chandelier has an adjustable drop length of 36.25-176. 19-Light Chandelier has an adjustable drop length of 48.5-190. Can be mounted on a vaulted ceiling. Clear PVC cord measures 149 long. 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 glass petals of this collection, some assembly upon delivery to your home will be required.