Mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell
Multivibrator vibrates and outputs audio signal, small size, 3g weight
This sound alarm With stable performance, Impedance matcher drives piezoelectric buzzer sound
Connected to rated power and the buzzer will sound continuously, our piezo electronic alarm buzzer Can be controlled conveniently
Widely used in computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephone, timer and other electronic products as a sound device