High CRI100 CRI100 (color rendering index), makes you see the colors the way they are supposed to be seen. par30 39w 120v, no warm up time, instant-on at full brightness. par30 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, par30 bulb last up to 3000 hours, equivalent to switch on off 8000 times, saving you the cost of frequent bulb replacement