Hand Crank Siren Horn 120dB Loud Aluminum Alloy Emergency Siren for Factory Home School

Description

• No Power Operating: The portable hand held siren horn is manually operated, requiring no electrical power. This feature makes it highly portable and allows it to provide effective alerts in places without power supply, making it suitable for emergencies and unexpected situations
• Adjustable Volume Control: The hand crank siren horn's volume can be adjusted according to the speed of the handle rotation. The the handle is turned, the louder the sound produced. Additionally, pressing the trigger opens the blades to emit an even louder noise, providing customizable alert levels to suit different needs
• Impressively Loud Alarm Sound: With a sound output reaching up to 120 decibels and a transfer range of up to 1.24 miles, the portable loud manual siren offers clear and penetrating sound, ensuring it achieves optimal alerting effect. This makes it suitable for effectively alerting large areas in urgent scenarios
• Robust Construction: Made from aluminium alloy and coated with paint, the emergency safety manual siren is excellent sturdy and resisting to wear. Its rain proof features make it a reliable choice for long term use in various environmental conditions
• Easy Installation And Versatile Application: The hand loud crank horn can be easily mounted onto a rail bracket (bracket not included) for stable usage. It can also be inverted for convenient storage and transport. Widely applicable in factories, homes, schools, oil depots, warehouses, flood control, disaster relief, and both public and industrial situations, it serves as an efficient tool in minimizing casualties and property damage
• High Speed Performance: Operates at a rated speed of 2000 revolutions per minute or higher with clockwise crank direction, producing a sound frequency of 600Hz that ensures consistent and reliable emergency alerting capabilities across various emergency scenarios

Specification:
Item Type: Hand Crank Siren Horn
Effective Range: Diameter Approx. 2000m / 6561.68ft
Sound Level: 1202dB
Sound Frequency: 60020Hz (Depending on crank speed)
Rated Speed: 2000 r/min
Main Material: Aluminum Alloy
Crank Direction: Clockwise
Application: Engineering, School, Flood Control, Nature Disasters and Other Emergency Situations

How to Use:
Directly install and use.

packing list:
1 x Hand Crank Siren Horn
1 Pack x Accessories

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