Alarm siren with crank, 110 dB, aluminum alloy, for factories, schools, and public places

Loud: The hand-crank alarm siren produces an impressive 110 dB of volume that can be heard even from a distance.

Easy to Use: The portable siren is effortlessly operated by a hand crank, ideal for emergencies during power outages.

Widely Used: Perfect for factories, schools, coast guards, mountain rescue, and much more.

Robust Construction: The aluminum alloy body ensures durability and corrosion resistance.