Crafted from thick, clear crystal and brass-plated iron. 21.5" chandelier uses five 40-watt max E12 bulbs (not included). 30" chandelier uses seven 40-watt max E12 bulbs (not included). 38" chandelier uses nine 40-watt max E12 bulbs (not included). 48" chandelier use 11 40-watt max E12 bulbs (not included). 21.5" and 30" chandeliers have an adjustable drop length that range from 31.5"- 173". 38" and 48" chandeliers have an adjustable drop length that range from 41"- 182.75". Can be mounted on a vaulted ceiling. Clear PVC and copper wire cord measures 149" long. Hardwired; professional installation recommended. 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. Dry UL listed for use indoors and 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.