Lithonia Lighting 11560 BNP M4 Disk One-Light Energy Star 10.5-Inch Wide Indoor Flushmount Light, Brushed Nickel Includes (1) 22-Watt or (1) 40-Watt circline T5 3500K fluorescent lamps for energy efficiency, superior color rendering and long life Standard with electronic ballast (120-Volt, 60Hz) ensures no flickering Quiet operation without interfering with other home electronics For use with non-dimmable switches only All mounting hardware included