Manual Hand Crank Air Raid Alarm Siren 110dB Aluminium Alloy Red for Sporting Events Emergency Attention Noise Maker Portable Compact Loud Adjustable Sound
Manual Hand Crank Air Raid Alarm Siren 110dB Red Aluminium Alloy Portable

This manual hand crank air raid alarm delivers a powerful 110 decibel adjustable sound that can be heard up to 1000 metres away. It runs entirely on manual power, so you never need batteries or electricity. The siren is built from durable aluminium alloy and folds down compactly for easy carrying. Whether you need to grab attention at a sporting event or signal in an emergency, this sturdy siren provides a universally recognised sound on demand.
Features and Construction

Designed for reliable operation without external power, this siren combines a robust aluminium alloy construction with a practical folding design. Its manual gearbox amplifies handle rotation into a loud, adjustable tone.
Material and Build
The body is made of aluminium alloy, giving it a good balance of strength and light weight. The red finish is bright and visible, helping the alarm stand out when you need to locate it quickly. The handle and cranking lever fold flat for storage, reducing the risk of damage during transport.
Size and Practical Fit
With dimensions of 115mm in length, 202mm in width, and 9.1 inches in height, this siren is compact enough to slip into a bag or glove compartment. Its hand-crank design means you can operate it from any position without needing a mounting surface.
Uses and Placement

This siren works in a variety of settings where a loud, attention-grabbing noise is needed. It is suitable for both outdoor and indoor use, as long as there is enough space to rotate the handle freely.
Event or Professional Use
At sporting events, the siren can be used to cheer on a team or signal the start and end of play. It is also useful for training drills, safety demonstrations, or crowd control where a clear audible signal is required.
Everyday Home Use
Around the home, the siren can serve as a personal safety device to scare off intruders or alert neighbours in an emergency. It is also handy for outdoor activities like camping or hiking where phone signals may be weak.
Benefits and Buying Value

This siren offers practical advantages due to its manual operation and compact design. It requires no ongoing costs and can be reused indefinitely with minimal wear.
Reuse and Low Maintenance
Since it has no electronic components, there are no batteries to change or circuits to fail. The aluminium alloy body resists corrosion with basic care, and the folding mechanism is simple and robust. A quick wipe after use keeps it clean.
Why Choose This Product
If you need a loud, reliable, and portable noise-making device that works anywhere without power, this manual air raid alarm is a straightforward choice. Its adjustable sound volume and long transmission distance make it effective in many situations, from sports to emergencies.