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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GE Cync Smart Bulb 4-Pack Sale for $30They are designed to easily install into standard medium base sockets typically used for 60W incandescent A19 bulbs, making them a practical and energy-saving lighting solution for your home.
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