Ms-490 150dB AC110V 230V Doule Sirene de motor eléctrico - China Sirene de motor, alto-falante
VEVOR Air Sirene Air Raid Horn 140db Sirene industrial alta Motor Driven Siren Horn Sirene elétrica Airraid Sirene Heavy-Duty Air Siren Horn MS-490 Air Raid Sirenes para Mine Reservoir Airport Factory