Product Overview:
The Hand Crank Siren is a portable, manually operated alarm device designed for emergency alerts and warning purposes. It produces a loud and clear siren tone that can be heard over long distances — ideal for areas without electricity or where quick deployment is essential. Compact, lightweight, and durable, it’s a reliable tool for civil defense, emergency response, and industrial safety.
✅ Operates without electricity or batteries — fully hand-powered.
✅ Generates a powerful, high-pitch siren sound audible from long distances.
✅ Lightweight aluminum alloy construction for easy portability.
✅ Equipped with a foldable handle for compact storage and quick use.
✅ Ideal for emergency alarms, fire drills, evacuation alerts, and safety signaling.
| Property | Description |
| Material | Aluminum Alloy |
| Color | Green |
| Siren Size (W x Dia) | 100mm x 120mm |
| Handle Length | 100mm |
| Weight | 1kg |
Emergency evacuation and civil defense alerts
Industrial plant safety alarms
School or factory fire drills
Construction sites and outdoor warning systems
Reliable manual operation during power outages
No maintenance or battery replacement needed
Compact and easy to transport
Long service life with durable aluminum casing
