Saves 59 dollars on energy costs per bulb vs. 40-Watt A15 incandescent over the bulb's life Dimmable and works with most dimmer switches Warm, soft white high definition light with 2700 Kelvin color temperature 2 LED bulbs per package A15 shape and size with clear finish Candelabra base (E12) 40 Watt replacement using only 4 Watts (300 lumens) Rated to last 13 years based on 3 hours per day use General purpose bulbs for ceiling lights, ceiling fans and pendant lights with candelabra bases