... ;3) Safety Assurance CE&RoHS;4) Warranty is two years;5) Life Span 50,000 Hours;6) Beam Angle 15/30/45 ... Surges ProtectionLED ManufactureCree, Seoul, SemiOperating Temperature-20°---+40 °LED Lamp Life50,000 hoursRelevant CertificateCE, RoHS,Warranty2 yearsOptical Data :Light ... ,G,B,YColor Temperature2,500-3,500K / 3,600-5,000K / 5,000-10,000KBeam Angle30°/45°/60° degreesLumen/Watt520lm ...