Factory piezo electronic siren

55 factory piezo electronic siren products are offered for sale by suppliers on Alibaba.com, of which alarm systems accounts for 34%, alarms, buzzers, and sirens accounts for 27%, and speaker & horn accounts for 7%. A wide variety of factory piezo electronic siren options are available to you, such as plastic, abs and aluminum.You can also choose from ac, peak-peak signal factory piezo electronic siren,As well as from black, red factory piezo electronic siren,And whether factory piezo electronic siren is continuous, {2}, or {3}.