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    Hand Crank Air Raid Siren 110dB Base Mount Manual Emergency Alarm Base/table mount design,Loud enough for outdoor emergency & survival alerts, Durable construction

    Limited time offer, ends 10/16 By PureSpring Trading Shop

    • Manual Hand-Crank Operation No batteries or electricity needed. Simply rotate the handle to generate soundspeed controls volume and pitch (faster = louder/higher frequency). Durable & Portable Made of lightweight aluminum, compact size and features a stable base/table mount for indoor/outdoor use. Adjustable Volume Control Spin faster = louder alarm! Control sound intensity (up to 550±20Hz) by hand speed. For maximum volume, open the blades to amplify the siren's reachideal for drowning out wind or background noise. Powerful 110dB Alarm Produces loud emergency alerts (110±2 dB at 1m) with a piercing 550±20Hz frequency, audible up to 1000m away. Ideal for factories, schools, military, disaster relief, and public safety. Versatile Emergency Tool Critical for flood control, forest fires, industrial accidents, and survival scenarios. Trusted by militaries, families, and first responders
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    Manual Hand-Crank Operation No batteries or electricity needed. Simply rotate the handle to generate soundspeed controls volume and pitch (faster = louder/higher frequency). Durable & Portable Made of lightweight aluminum, compact size and features a stable base/table mount for indoor/outdoor use. Adjustable Volume Control Spin faster = louder alarm! Control sound intensity (up to 550±20Hz) by hand speed. For maximum volume, open the blades to amplify the siren's reachideal for drowning out wind or background noise. Powerful 110dB Alarm Produces loud emergency alerts (110±2 dB at 1m) with a piercing 550±20Hz frequency, audible up to 1000m away.

    Ideal for factories, schools, military, disaster relief, and public safety. Versatile Emergency Tool Critical for flood control, forest fires, industrial accidents, and survival scenarios. Trusted by militaries, families, and first responders

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