page_title: Motion detector
hierarchical_section_title: Motion detector
caption_attribution_description: English: A motion detector attached to a garage. Svenska: En rörelsedetektor fäst på ett garage.
context_page_description: A motion detector is an electrical device that utilizes a sensor to detect nearby motion. Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. They form a vital component of security, automated lighting control, home control, energy efficiency, and other useful systems.
context_section_description: A motion detector is an electrical device that utilizes a sensor to detect nearby motion. Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. They form a vital component of security, automated lighting control, home control, energy efficiency, and other useful systems.
caption: A motion detector attached to an outdoor, automatic light.
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