EcoSmart 60W Equivalent Bright White Spiral CFL Light Bulb (20-pack) Estimated yearly energy cost: $1.69 (based on 3 hours/day, cost depends on rates and use) Lasts up to 9.1 years Up to 70% less mercury than standard CFL bulbs. Ideal for use in indoor and outdoor table lamps, sconces, ceiling fans and other general lighting applications Brightness: 800 Lumens