... 3.lifespan: 50000hrs 4.CE&Rohs Corn LedProduct Features:1.Longevity LED have 100,000 hours life, but ... first generation of lighting source incandescent lamp, the LED power loss only then the former 10%~20%..3 ... of fluorescent lighting compared to the second generation, LED no mercury, no strobe, it is a green ... that what you buy is the right product for the right application. Economical E27 8w led corn