Base Mount Metal Hand Crank Siren - Emergency Air Raid Warning Device - Lk100a

US $210

  • Texas, United States
  • Jun 23rd
To ensure proper functioning of the device, it is important to always open the finger guard before use to avoid muted sound. The best way to use the siren is by starting with a slow crank and increasing the speed gradually. With Base Mount Metal Hand Crank Siren - LK100A, you can be guaranteed of a reliable warning device during emergencies. Apart from emergency use, it can also be used in theaters, special effects, marching bands, and sport events where air horns are not allowed as it produces a loud sound of 110 (+/- 2) Db at 1 meter. The output frequency of this device is 550 (+/- 20) Hertz, depending on rotation speed, and can be heard from a distance of about 1/2 kilometer (1/3 of a mile). The Base Mount Metal Hand Crank Siren - LK100A is an essential device for emergency warnings in various settings such as schools, hospitals, buildings, and mines. The siren is made up of cast metal and requires no external power source, making it a reliable option during emergencies.

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