3-24V Piezo Electronic Tone Buzzer Alarm Continuous Sound Cable Length 100mm

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Impedance matcher drives piezoelectric buzzer sound.
Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell.
Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio .
Can be controlled conveniently.
Connected to rated power and the buzzer will sound continuously.

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