Alarm device
Type of signal (or device) that alerts people to a dangerous condition / From Wikipedia, the free encyclopedia
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"Alarm" redirects here. For other uses, see Alarm (disambiguation).
"Alarum" redirects here. For the band, see Alarum (band).
An alarm device is a mechanism that gives an audible, visual, combination, or other kind of alarm signal to alert someone to a problem or condition that requires urgent attention.
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