Rated to last 13 years based on 3 hours per day use: These LED bulbs are designed to last up to 13. years (based on 3 hours per day usage), saving you the hassle of frequent bulb replacement. Dimmable and works with most dimmer switches: This LED PAR20 bulb is dimmable when used with a compatible dimmer switch, allowing you to adjust the lighting brightness to your desired level. Cool, bluish white daylight light with 5000 Kelvin color temperature: The 5000 Kelvin color temperature of these LED bulbs provides cool, bluish white daylight light, making them ideal for use in indoor floodlight fixtures. Energy Star Certified UL Listed 500 lumens, 7 watts 2 bulbs