security protection alarm CJ-002 Product detail: Model No.CJ-002Size37.5*37mm(Φ33mm)sound volume90 dBMain materialABS Power batteries(AG13*2PC) Competitive Advantages:1,Well and High Quality Control2,Prompt Delivery3, Customer's Design and Logo are Welcome4, Competitive Prices5, Earth-friendly Products6, In a Variety of Design7, ODM..