Особенности и преимущества
- Manual hand-crank operation requires no batteries or electricity.
- Durable and portable design made of lightweight aluminum.
- Adjustable volume control allows for sound intensity management.
- Produces a powerful alarm at 110dB, audible from a distance.
- Versatile use in factories, schools, and disaster situations.
- Trusted by families, militaries, and first responders for emergency scenarios.






