EARTHTRONICS 5.5 watt A19 Omni-directional EarthBulb LED provides 480 lumens and replaces 40 watt incandescent directional bulbs. 2700K color of light is standard. Multi-Chipset LED and an advanced cooling system provides for 15,000 hours of LED life. Medium screw base. Suitable for outdoor use, damp location, when installed in fixtures and not directly exposed to weather. Dimmable to less than 5%.