This buzzer is an electronic sounder with integration structure. Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell.Easy to install, there are 2 mounting holes for screw fastening, 2-wire pigtails for easy connecting
Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal.Impedance matcher drives piezoelectric buzzer sound.Connected to rated power and the buzzer will sound continuously
This Shell is made of high quality ABS material, environment protection, flame retardant, anti-aging, wear-proof, sturdy and durable to use.Support DC 3-24V power supply, and produce continuous high-decibel alarm sound,Sound Pressure Level 85 to 95 decibels
This buzzer uses DC power,small size, 23mm diameter and 12mm height. It is widely used on computers, printers, photocopiers, alarm, electronic toys, automotive electronic equipment, telephone, timer and other electronic products.Can be controlled conveniently
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