Specification Brand : SUDEG BulletPoint1 : There are four pre-drilled holes on the solid base for easy installation. After the tornado warning siren is connected to the power source, it can work. BulletPoint2 : Air raid sirens are suitable for ships, mines, reservoirs and airports, and can be used for any purpose, such as warnings, signals and alarm horns. BulletPoint3 : Equipped with 400W 100% pure copper motor, high efficiency, speed 1000rev/sec, support the continuous work of industrial alarm. BulletPoint4 : The shell is made of high-quality aluminum and coated with red paint to ensure excellent performance. The metal mesh cover installed in the two speakers protects the motor alarm. BulletPoint5 : The sound of this air alarm is very loud, about 120dB, which can be heard over a long distance (about 300m). Color : Red Department : unisex-adult ExternallyAssignedProductIdentifier1 : 0765914701404 ExternallyAssignedProductIdentifier2 : 765914701404 ImportDesignation : Made in the USA IncludedComponents : Case ItemName : SUDEG Air Raid Siren,110V Siren Alarm 120dB,Industry Electric Motor Driven Siren,Emergency Safety Siren,Super Loud Siren Alarm for Ships/Mines/Reservoirs /Airports,1000rev/sec ItemPackageDimensions_Height : 21.5 centimeters ItemPackageDimensions_Length : 26.5 centimeters ItemPackageDimensions_Width : 18.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : security-sirens Manufacturer : SUDEG Material : plastic ModelName : MS-490 ModelNumber : SUDEG NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : SUDEG ProductDescription : Specifications: Type:Air Raid Siren Model: MS-490 Color: Red Voltage: 110V / 60Hz Power: 400W Material: Aluminum & Copper motor Decibel: 120dB Speed: max.1000rev/sec Protection level: IP44 Package size: 26.5 × 18.5 × 21.5cm Package weight: 3.1kg