Hand Crank Siren - Portable Air Raid Sirens, 110dB Emergency Siren, Hand Held Tornado Siren, Emergency Safety Manual Siren (Red)

ADJUSTABLE AND ALERT: The volume of the alarm can be adjusted depending on the speed at which the handle is turned. Simply crank the device to activate the on site alarm and produce an even louder sound. The alarm can reach a volume of more than 110db.
ALUMINUM ALLOY CONSTRUCTION: This hand crank alarm features a sturdy aluminum alloy structure and coated with anti paint, making it strong, anti damage and Its durability ensures a long service life.
URGENT REMINDER: Featuring a handle and an internal mechanical device, the alarm can generate high frequency sound waves to emit a noise by simply cranking the handle. With its high volume, it effectively alerts people in emergency situations.
EFFICIENT AND PORTABLE: The aluminum alloy emergency safety manual siren boasts a compact and sturdy design, making it easy to carry and operate. This makes it ideal for alerting people to emergency situations in large areas such as factories and public spaces.
VERSATILE APPLICATION: Suitable for various scenarios including sudden fires, attacks, and emergency distress . The alarm can be used as a self guard tool to deter potential attackers or attract others for help, ensuring individual safety.