SFM-27 DC 3-24V 95DB Electronic Buzzer Continuous Sound Alarm Beep Arduino UK

SFM-27 Electronic Buzzer – 12V Continuous Sound Alarm. Includes 1 / 2 / 4 pcs of SFM-27 Electronic Buzzer (select quantity). Alarm Height: 15mm. Sound Type: Continuous. Min Sound Output: 95 dB. Resonant Frequency: 3100 ± 500 Hz.