Crossword clues for Sound detector 3 lettersAnswerClueEARSound detectorEEKMouse detector's soundEARSSound detectorsSONARSUnderwater sound detectorsSENSORLight or sound detectorSENSORSMotion or sound detectorsCHIRPSSmoke detector sounds when the battery runs lowBEEPSmoke-detector soundALARMSound from a smoke detectorCHIRPSmoke detector's low-battery soundALARMSound from a carbon monoxide detector