DC12V 24V Electronic Piezo Active Buzzer Continuous Buzzer With Leading Billiards For BMW ·525i ·2010-2016 ·

For BMW ·525i ·2010-2016 ·

Photographic background which is made of vinyl cloth

Perfect for gymnastics performance

extend its service life

DC12V 24V Electronic Piezo Active Buzzer Continuous Buzzer With Leading Billiards For BMW ·525i ·2010-2016 ·ITEM NAME: DC12V 24V Electronic Piezo Active Buzzer Continuous Buzzer With Leading Description: The piezoelectric buzzer is mainly composed of a multivibrator, a piezoelectric buzzer, an impedance matching device, a resonance box, an outer casing and the like. Some piezoelectric buzzer housings are also equipped with light emitting diodes. A multivibrator is composed of a transistor or an integrated circuit. When the power is turned on (1. 5~15V DC