EcoSmart 100W Equivalent Soft White (2700K) Spiral CFL Light Bulb (4-Pack) LASTS UP TO 9.1 YEARS: This durable bulb lasts up to 13 times longer than its 100-Watt incandescent equivalent. Based on 3 hours average use per day LOW YEARLY ENERGY COST: Uses 75% less energy compared to a standard incandescent light bulb DAZZLING BRIGHTNESS: 1400 Lumens; LIGHT APPEARANCE: 2700K (Soft White) MULTI-PURPOSE USE: indoor and outdoor enclosed; Ideal for use in table lamps, sconces, ceiling mount fixtures and other general lighting applications SATISFACTION GUARANTEE: Purchase with confidence, this EcoSmart 100W Spiral CFL Light Bulb comes with 3 Year Manufacturer Warranty.