JACKY LED MR16 6W Dimmable COB Led Bulbs, 55W Equivalent, Warm White 3000K, Recessed Lighting, LED Spotlight, 550lm Proprietary Optics Lens enabling glare-free uniform lighting for all working environments. Environment friendly, no mercury and hazardous substances. 1 x COB Espistar LED, Dimmable, CRI &gt; 80, 550lm , 90% Energy Saving As a replacement of traditional 55W halogen MR16 lamp High strength aluminum constructed, good heat dissipation.