66 factory piezo electronic siren products are offered for sale by suppliers on Alibaba.com, of which alarm systems accounts for 53%, alarms, buzzers, and sirens accounts for 25%, and speaker & horn accounts for 6%.
A wide variety of factory piezo electronic siren options are available to you, such as plastic, abs and aluminum.You can also choose from piezo, factory piezo electronic siren,As well as from ac, peak-peak signal factory piezo electronic siren,and whether factory piezo electronic siren is black, or red.