TCP 150 Watt Equivalent Single-Pack, CFL Spiral Light Bulb, Non-Dimmable Daylight 4894250k ENERGY SAVINGS - Uses only 42 watts! Replaces 150 watt incandescent LONG LIFE - Lasts 10.9 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