Lasts 9 years. Light output - 1600 lumens; energy used - 23 watts; Life - 10,000 hours. 100 watt replacement using only 23 watts. 120 V. 2700 K. Saves 231 dollars in energy costs. To save energy costs, find the bulb with the light output you need, then choose the one with the lowest watts. Each bulb saves 77 dollars in energy costs over the average rated life (10,000 hours) of the lamp compared to a 100 watt (750 hours) incandescent bulb. Total package energy savings based on 3 bulbs x 77 dollars energy savings/bulb. Based on 10 cents/KWH. Replace your incandescent bulbs with CFL bulbs,. It's one of the easiest things you can do that will have the biggest impact. CFL's use up to 75% less energy than standard incandescent bulbs and last up to 10 times longer. Incandescent bulbs are very inefficient, 90% of the energy used by incandescent turns into heat, only 10% of the energy is converted to light. UL listed. Made in China.