Siren

33 siren products are offered for sale by suppliers on Alibaba.com, of which speaker & horn accounts for 15%, alarm systems accounts for 9%, and smoke detectors accounts for 6%. A wide variety of siren options are available to you, such as plastic, abs and metal.You can also choose from universal, siren,as well as from fire, smoking, and home decor siren, and whether siren is red, white, or black.