This piezo buzzer measures just under 23mm not including the mounting holes. It operates on 3 - 24v and it's quite loud.
Manufacturer : AUDIOWELL
Manufacturer Part Number: HYD2312
Operating Voltage: 3 - 24V
Rate Voltage: 12V DC
Buzzer Type: Piezoelectric
Frequency: 3900±500Hz
Termination: Lead Wire
Drive Method: Drive Circuit Built-in
Sound Pressure Level: 87/30dB
Max. Current Rating: 10mA
Housing Material: ABS
Operating Temperature: -20C~+60C
Weight: 14g
Piezo Electronic Tone Buzzer Alarm 3-24v
- Product Code: HYD2312
- Availability: In Stock
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Tags: piezo, electronic, tone, buzzer, alarm, 3-24v, bargain, bin