Red Manual Air Raid Alarm Siren 110dB with 1000 Metre Range for Events and Safety

This red manual hand crank air raid alarm delivers a powerful 110 decibel sound that is instantly recognisable and effective for gaining attention in busy environments. Its gearbox mechanism amplifies sound as you rotate the handle, producing an adjustable tone up to 110±2 dB with a frequency of 550±20 Hz. The siren transmits sound over approximately 1000 metres, making it suitable for outdoor events, sports matches, or emergency signalling. Constructed from durable aluminium alloy, the unit is both lightweight and robust, with folding handle and lever for easy portability and storage. No power supply is required, so it works reliably in any location.

Features and Construction

This air raid alarm is built around a simple but effective manual crank system that requires no batteries or mains electricity. The aluminium alloy housing ensures long-lasting durability while keeping weight low for transport.

Material and Build

The siren body is made from aluminium alloy, offering a good balance of strength and lightness. Its red finish provides high visibility, and the folding handle and cranking lever keep the unit compact when stored.

Size and Practical Fit

With a length of 115mm, width of 202mm, and height of 9.1 inches, this alarm is small enough to pack in a bag or vehicle compartment. Its compact shape makes it easy to carry to events, workplaces, or outdoor locations.

Uses and Placement

Originally designed for air raid warnings, this siren now finds use across many settings where a loud, attention-grabbing signal is needed. Its manual operation means it can be deployed anywhere without infrastructure.

Event and Professional Use

Use at sporting events to cheer on a team, in crowd control to signal instructions, or on construction sites as a warning device. The 1000 metre range ensures the sound carries across large areas.

Everyday Home and Outdoor Use

Keep in a car or emergency kit for signalling in remote areas, or use as a safety alarm during camping trips. The foldable design allows it to be stored in small spaces.

Benefits and Buying Value

This alarm offers reliable performance without reliance on power sources or batteries. Its simple mechanism is easy to operate and maintain, providing long-term value.

Reuse and Low Maintenance

The aluminium alloy construction resists corrosion and wear, and the manual crank system has few moving parts, requiring minimal upkeep. Simply store it dry and clean after use.

Why Choose This Product

For a loud, portable, and universally recognised signalling device, this manual air raid siren stands out. Its combination of 110dB output, 1000 metre transmission distance, and durable build makes it a practical choice for multiple scenarios.