Back جهاز إنذار Arabic Siqnalizasiya Azerbaijani Sistema d'alarma Catalan ئامێری ھۆشداری CKB Poplašné zařízení Czech Alarm German Alarm device English Alarmo Esperanto Dispositivo de alarma Spanish دستگاه هشدار Persian

Alarm

An alarm for warning railway track workers, using a siren and flashing light, in Germany.

An alarm is something used to alert people quickly to something. Most alarms use loud noises and/or flashing lights. Some alarms may use other ways of attracting peoples attention quickly, such as turning off loud machinery, shaking a bed or pillow.

Fire Alarm
The sound of a fire alarm in a Japanese school.
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Klaxon submarine alarm
The sound of a klaxon alarm on a submarine.
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