Hand Crank Alarm Air Raid Horn Manual Operated Siren Horn Handheld Fire Alarm Warning Construction Air Horn 120DB

Product Description:

1. The portable alarm is a hand-cranked sounder that does not require power support. It is called differently due to local differences.

2. Including handle, gear speed increasing mechanism, slider, fixed wheel, ringing wheel, sound window cover, gear box, box frame, the handle is connected with the driving shaft of the gear speed increasing mechanism, and the output shaft of the gear increasing mechanism passes through The pin is connected with the sliding block, and the sliding block is connected with the flange of the impeller by friction transmission.

3. There is no need for power support, and the power is provided by shaking the handle to make the alarm send out an alarm. The sound level depends on the speed of the hand.

4. In terms of style and purpose, it is divided into fixed hand-operated alarm and portable hand-operated alarm.

5. Hand-cranked alarm is light in weight, easy to carry, can be detached, and the handle will sound an alarm.

6. Widely used in factories, schools, troops, special flood control, disasters, open barracks, air defense and other emergencies.

7. Can effectively provide timely early warning during the incident and reduce people's property losses and casualties.