From the Manufacturer:- EurthLED presents this led bulb with lumens 910lm +- 5%. Adopt high luminance LED light source, Long lifespan and stable function. Replace the Incandescent lamp (80% energy saving, 30 times lifespan) and CFL (50% energy saving, 10times lifespan). Soft and well distributed, no glare and preserve the Eye-sight. Made up of predominant quality aluminium casting with toughened plastic diffuser. Welcome to the World of EURTH... Better Living.