MS-590 AC 110V / 220V 160db Motor Driven Air Raid Siren Metal Horn Industry Boat Alarm buzzer toolsSpecification : Voltage :AC 220V , 50HZ Voltage withstand: 500 VAC Insulation impedance: 100 mΩ (at 500 VDC).Loud Volume :160DB Body Material:Aluminum and Steel Five reasons to choose us:1. Long service life2. Suitable decibels3. The appearance is carefully designed4. Convenient and easy to install5. Flame retardant PC materialUsing Range: Widely used in boats ,farm,diggings ETC.Durable and easy to used , -It is also the one can be used as any purpose such as :warning ,signal ,alert horn .Packing list:1xbuzzer