Overdrive 091, (12-Pack), 50-Watts Equivalent Incandescent, 15W PAR30 Reflector Compact Fluorescent Light Bulb, 80 CRI, (Daylight) Full spectrum Overdrive 15W PAR30 Reflector Compact Fluorescent Light Bulb is equivalent to 50-Watts Incandescent light saves up to $38.5 over lifetime of the bulb (based on 3 hours/day usage, 11 cent/kWh) With 70% Energy Saving and long life of 10,000 hours, it lasts up to 9.1 years (based on 3 hours/day usage) High Luminous efficacy, Non-Dimmable Instant ON, Flicker-Free with brightness 700 lumens, provides energetic, daylight with full spectrum 5000K color temperature. Ideal for residential use in kitchens, living rooms, dining rooms, bedrooms etc. and commercial use in offices and retail spaces