High CRI100 CRI100 (color rendering index), makes you see the colors the way they are supposed to be seen. MR16 bulb, no warm up time, instant-on at full brightness. MR16 Dimmable Dimmable 100% ~10% can meet your demands for brightness. Set lighting according to your mood and take delight in a pleasant atmosphere every time. High Quality Durable Made of high quality glass, MR16 GU5.3 bulb last up to 3000 hours, equivalent to switch on off 8000 times, saving you the cost of frequent bulb replacement