Efficiency is the comparison of the amount of light (lumens) produced by a given amount of electrical energy (watts). The more the lumens per watt the more efficient the bulb.
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6 Highly-Rated Smart Light Bulbs That Have Built-In SpeakersGeneral Electric produces a vast array of LED light bulbs ... One of the cool things about EcoSmart bulbs is that you can choose the color temperature that best suits your room, ranging from ...
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