263 12mm magnetic buzzer products are offered for sale by suppliers on Alibaba.com, of which alarms, buzzers, and sirens accounts for 74%.
A wide variety of 12mm magnetic buzzer options are available to you, such as plastic, abs and aluminum.You can also choose from dc, ac and peak-peak signal 12mm magnetic buzzer,As well as from not applicable, magnetic 12mm magnetic buzzer,and whether 12mm magnetic buzzer is black, or green.