This TCP 68 watt SpringLight is suitable for use in high fixtures with a lot of clearance in commercial facilities and and institutions where a lot of light is desired. Note that this is a very large CFL, being nearly 10 inches long and about 4 inches wide, but it will deliver a similar amount of light as a 250 to 300 watt incandescent light bulb. * LIGHTING SPECIFICATIONS Type: fluorescent * Shape: Spiral * Light Output: 4,200 lumens * Efficacy: 61.7 lm/w * Color Temperature: 2,700 degrees Kelvin * Color Rendering: 82 CRI * Rated Average Life: 10,000 hours * Dimmable: No * Three-way: No * Base Type: E26 medium screw base * GENERAL SPECIFICATIONS Input Power: 120 volts AC * Power Consumption: 68 watts * Width: 4.1 inches * Length: 9.5 inches * ENERGY STAR Qualified: Yes * UL Listed: Yes * Packaging: #3 Plastic and Paperboard * 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.