Lasts 5 years (Guaranteed to last 5 years based on rated life at 4 hours consumer use per day at 120V). Light Output: 720 Lumens. Energy Used: 15 Watts. Life: 8000 Hours. $40 in Energy savings (Electricity cost savings based on using the bulb for 8,000 hr [720 lumens] rated life at 10 cents per kilowatt hour compared to four 65 watt soft white R30 bulbs [rated life 2000 hrs, lumens 755]) Energy star. UL Listed self-ballasted lamp. Made in China.