A dimmer switch is a type of electrical switch used to adjust the brightness of a light. Instead of simply turning the light on or off, a dimmer switch allows for gradual control over how much light is emitted, giving users the ability to create a desired atmosphere or conserve energy. Dimmer switches can be used with various types of light bulbs, including incandescent, LED, or fluorescent, depending on the model. They are commonly installed in living rooms, bedrooms, and dining areas to adjust lighting levels to suit different needs or moods.

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