Description: Color: Black Alarm Diameter:23mm/0.86" Alarm Height:12mm/0.39” 2 Mounting Holes distance:30mm/1.18" 2 Wires length:90mm/3.54" Buzzer Type: Piezoelectric Sound Pressure Level 95 dB Rate Voltage: 12V DC Operating Voltage: 3 - 24V Max Current Rating 10mA Frequency 3900±500Hz Package includes: 20pcs 95DB Piezoelectric Buzzer Alarm.
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