Overdrive 036, (12-Pack), 40-Watts Equivalent Incandescent, 9W G25 Globe Spiral Compact Fluorescent Light Bulb, 80 CRI, Warm White, Energy Star Qualified Overdrive 9W G25 Globe Spiral Compact Fluorescent Light is equivalent to 40 Watts Incandescent light saves up to $34.10 over lifetime of the bulb (based on 3 hours/day usage, 11 cent/kWh) With 77% Energy Saving and long life of 10,000 hours, it lasts up to 9.1 years (based on 3 hours/day usage) Energy Star Qualified, Non-Dimmable Instant ON, Flicker-Free with brightness 500 lumens, provides soothing, warm white light (2700K) Ideal for residential use in kitchens, living rooms, dining rooms, bedrooms etc. and commercial use in offices and retail spaces