About this item Easy to assemble and install, no wiring needed within the fixture, a job of one person and 15min. UL listed lamp socket and UL listed electric wire is used, safe and reliable. Around 24in in diameter, good as ceiling light for a flat living room or bedroom, BULBS NOT INCLUDED. We offer free standard shipping and replacement for a broken product in one year. This ceiling light works well with a dimmer switch if the bulb is filament bulb, please check the power rating of the dimmer switch before using together. See more product details