... flash, energy savings, securityEnvironmental protection and long lifespanLED ManufacturerEpistar, CreeOperating Temperature -20°---+45°LED Lamp Life 50000 HoursRelevant Certificate CE ... 3 years Optical Data :Light Color Warm White, Cool WhiteColor Temperature 2,500-3,500K / 5,000-6500KBeam Angle 120 ...