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
Buzzer Rated Current:15mA at 12VDC,12V Alarm Module Size: 30 X 15mm/1.18 X 0.59inch(D*T)
Continuous sound,No need to drive, it will make a sound when power is on
Active piezo electronic buzzer module support DC 3-24V wide voltage power supply. It is a continuous Tone
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Active piezoelectric buzzerr,piezo alarm, module support DC 3V 12V 24V wide voltage power supply
Product parameter Length of Wire: 12cm /4.72in
Diameter: 3cm /1.2in
Rated Voltage: 12V Range of Voltage: 3-24V DC
Rated Current: 15mA at 12VDC Sound Pressure Frequency: 100dB at 12VDC /30ma
Resonant Frequency: 3.0±0.2KHZ
Operating Temperature: -20+45 Degree C Storage Temperature: -20+60 Degree C
Package Includes: 6Pcs× SFM-27-W DC 3-24V Active piezoelectric buzzerr
