... : Warm White: 2,700 ~3,500K, Cool White: 5,000~6,500K5) Beam Angle : 15,25,45 degrees6) CRI: Ra> 807) Power Factor ... dimming range is from 5~100% and very stable9) LED Type: CREE XPE 10) Life Span: 50,000 hours11 ... Packing SpeicificationThese series are for spotlights with CREE XP LED which is replacing currently common used XRE, XP ... ~10%, and with lower price trend. Dimmable high power led lamp