קסדה ניקוז מורל dual tone siren יותר דקורטיבי דרשה
Amazon.com: KLLsmDesign 30W Alarm Siren ,Dual Tone Outdoor Self Contained Electric Security Ring Siren with Bracket,6-12V DC 1.1Ah 130db 8 X 5.5 X 9 Inch for Car Home Doorbell Security Protection System,White :
Amazon.com : Elk ELK-SS36 Interior Dual Tone Self-Contained Siren (108 dB) : Security And Surveillance Products : Electronics