Feit has been bringing competitive lighting products to market since 1978. This 13 watt spiral compact fluorescent lamp will deliver 800 lumens of light, which is equivalent to the light produced by a 40 to 60 watt incandescent light bulb. With a rated life of 8,000 hours (compared to a 1,000 typical life of an incandescent), it will provide energy savings for years to come. * LIGHTING SPECIFICATIONS Type: fluorescent * Shape: spiral * Light Output: 800 lumens * Efficacy: 61.5 lm/w * Color Temperature: 2,700 degrees Kelvin * Color Rendering: 82 CRI * Rated Average Life: 8,000 hours * Dimmable: no * Three-way: no * Minimum Start Temperature: -21 degrees Fahrenheit (-29 degrees Celsius) * Maximum Operating Temperature: 140 degrees Fahrenheit (60 degrees Celsius) * Base Type: E26 medium screw base * GENERAL SPECIFICATIONS Input Power: 120 volts AC * Power Consumption: 13 watts * Width: 1.7 inches (43 millimeters) * Length: 4.8 inches (122 millimeters) * ENERGY STAR Qualified: Yes * UL Listed: Yes * ETL Listed: No * Packaging: Paperboard * Manufacturer Warranty: 1 Year * Origin: China Note that 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. Limit of 25 lamps per 20 amp branch circuit. This lamp contains mercury. Please recycle at the end of its life.