Crafted from glass and steel with a warm brass finish. Uses one 60-watt max E26 bulb (not included). 10 pendant adjustable drop length measures 18–157. 20 pendant adjustable drop length measures 28.25–166.25. Black and white plastic cord measures 144 long. Includes 12 interchangeable extension rods in matching finish for hanging—four 6, four 12, and four 18. Can be mounted on a vaulted ceiling. Compatible with dimmer switch. Hardwired; professional installation recommended. Mounting hardware included. Safety tested for use in bathrooms, covered patios, or areas with temporary humidity and moisture. In order to protect the delicate glass of this collection, some assembly upon delivery to your home will be required.