Crafted from steel and curved glass. Uses one 60-watt max E26 dimmable bulb (not included). Adjustable drop length that ranges from 22 – 161. Can be mounted on a vaulted ceiling. Steel chain measures 144 long. Black fabric-wrapped cord measures 155 long. Hardwired; professional installation required. Mounting hardware included. ETL Certified Damp. In order to protect the delicate glass of this collection, some assembly upon delivery to your home will be required.