... no change required for dimmers and(or) circuits, dimming range is from 10%~100%, no flickering.* Outstanding PerformanceEffiecent > 80 ... : 15,25,45 degrees6) CRI: Ra> 807) Power Factor: >0.98) Dimmability: compatible with TRIAC dimmers on ... Lutron, Leviton, Legrand, Osram,and GE etc. dimming range is from 5~100% and very stable9) LED Type ... %, and with lower price trend. Dimmable high power led lamp