Portable Hand Crank Siren Manual Handheld Air Raid Siren 110DB Lound Emergency Safety Siren Fire Alarm Air Siren Horn Home Self Protection Security Alarm Siren

Price: $33.99 - $31.99
(as of Mar 28, 2025 15:03:57 UTC – Details)

Specifications:
Material: aluminum alloy
Color: Red
Weight: 1.2 kg / 2.64 lb
Size: 24 * 14 * 14 cm / 9.4 * 5.5 * 5.5 inch
Rotary speed: 2000 r / min
Frequency: 550±20 Hz
Sound level: 110±2 (Class A) at a radius of 1 meter

Package included:
1x Handheld alarm
Lightweight design, easy to carry, can produce a loud & powerful sound of 110 db.
The hand siren is made of durable aluminum alloy with anti-rust paint outside, durable and wear resistant.
The hand-operated alarm does not require power support. Just rotating the handle manually, the faster the speed, the louder the sound.
When the power and traffic are blocked, other mobile alarms cannot enter the alarm area. The portable and convenient hand-crank alarm becomes a very convenient and practical alarm.
Widely used in factories, schools, military units, disasters, forest fire prevention, flood control, fire protection, reservoirs, airports, hotels and other emergency places. It can effectively provide timely warnings in the event and reduce people’s property losses and casualties.