SFM-27 DC 3-24V Alarm Siren Electronic Piezo Active Buzzer, 95dB High Decibel Continuous Beep Speaker for Arduino
Warning Buzzer & Chime
Product Description
White And Black DC3-24V Continuous Sound High Decibel DC Alarm Buzzer SFM-27
Parameters:
* Rated voltage: 12V
* Voltage range: 3-24V
* Rated current: 15MA at 12VDC
* Acoustic piezoelectric frequency: 100dB at 12VDC/30cm
* Resonant frequency: 2.5±0.5KHZ
* Working temperature: -20~45 degree
* Storage temperature: -20~60 degree