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 SpeakersThe Home Depot features a wide variety of bulb brands, including EcoSmart. Along with bulbs (both with and without Bluetooth speakers), the line includes LED strips and rope lighting. While the ...
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