TCP 100 Watt Equivalent Single-pack, CFL Spiral Light Bulb, Non-Dimmable, Daylight ENERGY SAVINGS - Uses only 23 watts! Replaces 100 watt incandescent LONG LIFE - Lasts 9.1 years based on 3 hours per day. Rated @ 20,000 hours EXCELLENT COLOR CONSISTENCY - Day Light White 5000K PERFECT FIT - Non-Dimmable. Use in table lamps, floor lamps, ceiling fixtures WORLD CLASS TECHNOLOGY - Manufactured by TCP Lighting, a leader in LED innovation