MaxLite's DimMax compact fluorescent offerings continuous dimming down to 20 percent of full light output. It features an air-gap, amalgam technology, heat sink, and higher temperature rated components; all of which combine to offer greater heat tolerance. MaxLite states that this CFL should work with all existing incandescent dimming controls. * Dimensions: Width 2.2" x Height 5.6" * Electrical Specifications: 120 volts AC, 60 Hz, 25 watts * Light Output: 1,600 lumens (75-100w incandescent equivalent) * Color Temperature: 2,700 degrees Kelvin (warm white) * Color Rendering: 84 CRI * Rated Life: 6,000 hours * Minimum Start Temperature: 0 degrees Fahrenheit * Maximum Operating Temperature: 100 degrees Fahrenheit This compact fluorescent light may have reduced rated life when used in enclosed fixtures, or in poorly ventilated fixtures and should not be used outdoors where it would be exposed to the elements. Use only with photocells, motion detectors, dimmers, and electronic timers that are suitable for use with compact fluorescent light bulbs. This lamp contains mercury. Please recycle at the end of its life.