Buzzer, iron and copper, PHI 12 15 18 20 27 29 31

[product name]: buzzer

[model]: with 12 , 15, 18, 20, 27, 29, 31, 35

[size]:

[material]:

[color]:

buzzer is flaky sounding element is on the volume of smaller and thinner electronics, electrical products such as electronic watches, electronic thermometers, calculator, musical greeting cards, telephone, remote control electric appliances and a variety of electronic products sound, hearing the alarm sound use, as sound control electronic products of the acoustic sensor. Ordinary type (0.4 mm in thickness), thin thickness 0.2 mm), ultra-thin (thickness below 0.1 mm) and eccentric, square, circular, shaped double-sided, feedback form.