1,LED Spotlight,No UV or RF interference 2,Good heat sink system,no flash,super ... source: EPI star or CreeLumen maintenance: 3000hrs < 3%Power Factor > 0.5Color temperature (K): 2700K, 5000K, 6400KBeam angle:25 ... °life span>50,000hCertificationCE,ROHS High Power LED Light 3*1wSpecification,1, Rated Power, 3 Watt2, Base tpye, GU5 ... Specific high effective constant current technology13, Warranty, 2 years