The Ionic bulb used an advanced microchip size negative ion generator to create after rain freshness while lighting the room with cost efficient CFL techology. Fits into most common fixtures, The bulb is convenient, inexpensive and far less bulky than large air purifiers. Creates After rain freshness! lasts up to 7 years-up to 10 times longer tha regular bulbs Recommended 1 bulb per 100 square foot area Rated 10,000 life hours per bulb 60 watt lamp= Energy used 15 watts 100 watt lamp=Energy used 23 watts Low mercury level for safety UL Listed EPA Registered bulb 15 watt, 120V, 60HZ, 2700K