Innovation Unleashed! Hand Operated Siren Leads the Way in Emergency Alert Systems
Our hand Operated siren can be widely used in factories, schools, troops, special flood control, natural disasters, open-air military camps, air defense, mountain rescue and seaside guards, forest fire prevention, flood control, mountain flood disaster projects, fire protection, prisons, reservoirs， ships, mines, plains, pastures, airports, forest farms, hotels, hotels and other emergency places. It can effectively provide timely warning in the event, and reduce the loss of people’s property and casualties. To sum up, the hand operated siren is suitable for emergency warning in any place and at any time!
This model is equipped with a shutter mechanism in sound window, which can select sound strength and weak signals. After quickly closing the sound window, it will block the sound, and generate different signals.
It is easy to operate, labor- saving, convenient to store and carry, compact in structure, small in size, light in weight.
Audio frequency: 550±20Hz ( depending on hand cranking speed)
Material：Aluminum Alloy
Net weight: 8.9kg
Packing Size: 450*370*580mm
Effective range: Diameter 1000m(depending on hand cranking speed)
Here is the dimension and operation method as below, if you are interested in it, please feel free to contact us!
