This 27 watt TCP "soft white" CFL is designed to replace a conventional 100 watt incandescent light bulb. It has an rated average lamp life of 10,000 hours, and will provide a warm color light suitable for use anywhere in your house. * LIGHTING SPECIFICATIONS Type: fluorescent * Shape: Spiral * Light Output: 1850 lumens * Efficacy: 68.5 lm/w * Color Temperature: 2,700 degrees Kelvin * Color Rendering: 82 CRI * Rated Average Life: 10,000 hours * Dimmable: No * Three-way: No * Minimum Start Temperature: -20 degrees Fahrenheit * Average Mercury Content: not available * Base Type: E26 medium screw base * GENERAL SPECIFICATIONS Input Power: 120 volts AC * Power Consumption: 27 watts * Width: 2.3 inches * Length: 5.4 inches * ENERGY STAR Qualified: Yes * UL Listed: Yes * Packaging: Cardboard Box * Manufacturer Warranty: = or > 12 Months * Origin: China Note: This bulb may have reduced rated life in enclosed fixtures or emergency exit lights, and is not suitable in outdoor locations where it would be exposed to the elements, or in conjunction with dimmers, photocells, or electronic timers. This lamp contains mercury. Please recycle at the end of its life.