... or RF interference 2,Good heat sink system,no flash,super bright 3,Factory price,good service Place of Origin: Zhejiang China ... -240VAC/50-60HzLight source: EPI star or CreeLumen maintenance: 3000hrs < 3%Power Factor > 0.5Color temperature (K): 2700K, 5000K, 6400KBeam ... 000hCertificationCE,ROHS High Power LED Light 3*1wSpecification,1, Rated Power, 3 Watt2, Base tpye, GU5.3/GU10/E14/E273, LED Chip ...