Goodlite G-83293 Goodlite G-83293 LED 8 Watt (50 Watt Equivalent ) 580 Lumen BR20 Recessed Light Bulb, Dimmable 5000K Super White Flood Light, , Medium base R20 household lasts at least 22.8 years (25,000 hours) and contains no mercury Ideal for use in kitchens, living rooms, bedrooms and hallways in your table and floor lamps, pendant fixtures or ceiling fixtures Replaces standard incandescent R20 50-watt light bulb 580 Lumens Operating costs per year: $1.13 For use with dimmers