1.Epistar chip or others 2.Lifespan:>50,000hrs 3.Samples, OEM offered 4.Led bulb light 5.3~5 years warranty, ... CE RoHS 1.Epistar chip or others2.Lifespan:>50,000hrs3.Samples, OEM offered4.Led bulb light5.3~5 years warranty, ... 6wBrandSproutMaterialAluminum+GlassPower and Frequency6w , 50-60HzPower Factor>0.85ChipEpistar chip. Edison, Cree or other chips are available.Base TypeE27. MR16, Gu10 ...