Crafted from burnished brass, bronze, or polished nickel-finished steel and aluminum with hand-blown glass globes. This collection is artisan-crafted with variations in color, pattern, and texture. No two chandeliers will appear exactly alike. 19-Light chandelier uses nineteen 25-watt max dimmable LED T22 Filament E12 bulbs (included). 19-Light adjustable drop length ranges from 24.75-162.75. 37-Light chandelier uses thirty-seven 25-watt max dimmable LED T22 Filament E12 bulbs (included). 37-Light adjustable drop length ranges from 28-166. Includes 12 interchangeable extension rods for hanging—four 6, four 12, and four 18. Cannot be mounted on a vaulted ceiling. Black and white PVC cord measures 150 long. Hardwired; professional installation required. 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. ETL certified dry for use indoors and dry locations that are not directly exposed to excessive moisture and water. In order to protect the glass elements in this collection, some assembly upon delivery to your home will be required.