... w, Epistar chip, lighting efficiency >0.9; PF>0.95, 24/38/60 beam angle,nondimmable Anti-glare&dimmable led ceiling light:1 ... . Features:* Copper PCB board* COB Leds, Bridgelux 45mil chips(110-120lm/w), can be dimmable, compatible ... with most dimmers in market;* Patent DIWLTM Lens, Fly-eye Design, Anti-glare, care for eyes, * High Lighting ...