Philips LEDs with a dimmable warm glow effect, enables light levels to dim to the warm tones of traditional bulbs. You can change the ambience from functional lighting to an inviting and cozy atmosphere. It's easy to see how harsh lighting can strain the eyes. Too bright, and you get glare. Too soft and you experience flicker. Now you can gently light up your world with LEDs designed to go easy on the eyes, and create the perfect ambience for your home. Please check the dimmability compatibility chart to be certain that your particular dimmer can be used with this bulb.