30mm- siren piezo

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95db 3-24v 12v High-decibel Electronic Buzzer Beep Alarm

95db 3-24v 12v High-decibel Electronic Buzzer Beep Alarm
Alarm Diameter: 29mm / 1.14"
Alarm Height: 15mm / Mounting Holes distance: 40mm / Wires length: 105mm / 4.13"
Rated Voltage: 12V
Operating Voltage: 3-24V
Rated Current(MAX): 20mA
Min Sound Output at 10 cm: 95 DB
Resonant Frequency: 3100 Hz.

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