What is an LED bulb any­way?

Mac Format - - APPLE HOME -

In­can­des­cent light bulbs were phased out a few years ago, and

most peo­ple now use halo­gen or CFL (com­pact flu­o­res­cent lamp) bulbs, which are more en­ergy-ef­fi­cient. How­ever, smart bulbs all use the lat­est LED (light-emit­ting diode)

tech­nol­ogy, which is even more ef­fi­cient

and can last up to 25 years. Smart bulbs can do multi-colour

disco light­ing, too!

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