The best aspects of these bulbs is the low power usage and the longevity as well as the ability to adjust the color. There is a small switch on the bulb that allows you to change the color/temperature range of the light. Nevertheless, the 'warmest' setting is till somewhat 'whiter' than the incandescent bulbs they are replacing. Its enough that it is noticeable enough so that if you have series of bulbs in a hallway or kitchen, you can see the difference between the color of the bulbs so you might consider replacing all of them at once.
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