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Description
Active piezoelectric buzzerr,piezo alarm, module support DC 3V 12V 24V wide voltage power supply SOUND OUTPUT: The buzzer alarm is 100dB at 12V DC 30cm, you can wait until the volume you think of by adjusting the voltage. Response frequency: 3±500Hz RATED CURRENT:15mA at 12VDC,12V Alarm Module Size: 30 X 15mm/1.18 X 0.59inch(D*T) 100% QUALITY ASSURANCE,The warranty is 1 year.
