Progress Lighting P4039-77 is a lighting fixture that requires professional installation by a qualified electrician. It comes with a warning that the product contains chemicals known to the State of California to cause cancer, birth defects, and/or other reproductive harm. The fixture has adjustable arms and a chain for height adjustment. It requires three B10 Candelabra base light bulbs (not included). The fixture is UL listed and comes with wire nuts for assembly. It is recommended to turn off electricity at the main circuit breaker panel before beginning installation.