#1	Piezoelectric buzzer is mainly made up by multivibrator piezoelectric buzzer chip impedance matching unit resonator and shell
#2	Buzzer is an electronic sounder with integration structure Using DC power it is widely used on computers printers photocopiers alarm electronic toys automotive electronic equipment telephone timer and other electronic products
#3	Impedance matcher drives piezoelectric buzzer sound
#4	Connected to rated power and the buzzer will sound continuously Can be controlled conveniently
#5	Multivibrator is composed of transistors or integrated circuits When switched on multivibrator vibrates and outputs audio
Keepa ASIN	B07TVRHH93
Brand	YWBL-WH