Hand Crank Air Raid Siren for Events & Emergencies

The Complete Spec Sheet

No Power Support Required: This air raid siren operates effortlessly with no need for external power or equipment, making it ideal for quick and convenient use in any emergency situation.

Adjustable Volume: Adjust the siren volume by cranking the handle at varying speeds. Alternatively, press the spring-loaded trigger to open vanes and significantly increase the alarm's loudness.

Wide Application: Suitable for a variety of applications, including loud sound warnings, celebrations, sports events, fire drills, summer camps, and more. Ideal for emergency scenarios such as tornadoes, fires, or snowstorms. Suitable for both indoor and outdoor use in factories, warehouses, homes, schools, clubs, oil depots, and various industrial and public settings.

Practical Design: Compact and foldable design for easy portability and storage without occupying much space. Provides a powerful and loud alarm to effectively warn of emergencies, anywhere and anytime.

High-Quality Material: Crafted from green coated aluminum alloy, this siren is dustproof, waterproof, and wear, rust, and corrosion resistant. The volume can reach up to 110db with a sound transmission diameter of 0.62 miles, ensuring effective warnings in both indoor and outdoor environments.