4 A18 bulbs. Multi-use A19. Non-dimmable. 60 w replacement. Uses only 10 w. Life: 10 years (Based on 3 hrs/day) 11,000 hours. $240 approximate energy saving per pack (Energy savings are estimated based on the performance specifications for these four LEDs for their rated life of 11,000 hours at 11 cents per kWh compared to using four 60 watt incandescent lamps for 11,000 hours. Savings will depend on actual use and electricity rates). 5000 k. Suitable for use in enclosed fixtures. Brightness: 800 lumens. Estimated Energy Cost: $1.20 per year. Indoor/outdoor (When used outdoors, do not expose directly to water). Warranty: This bulb has a one year warranty. UL listed. www.feit.com. Made in China.