EBTOOLS Hand Crank Siren 125dB Loud Adjustable Volume for Emergency, Aluminum Alloy Manual Operated Sound Alarm for Factories, Homes, Schools, Flood Control (Red)

1. [EASY AND EFFECTIVE TO USE] Quickly activate a 125dB alarm sound by cranking the handle. The alarm volume is adjustable based on the rotation speed for maximum effectiveness.
2. [STURDY AND DURABLE DESIGN] Made of aluminum alloy, this alarm is rustproof and durable, ensuring a long service life even in harsh conditions.
3. [NO POWER SUPPLY NEEDED] Manually operated with no installation required, making it portable and perfect for emergencies without power support.
4. [VERSATILE APPLICATIONS] Suitable for various scenarios like fire emergencies, attacks, and seeking help. Can be used for self-protection or attracting help.
5. [LARGE COVERAGE RANGE] The 2000m effective range ensures the alarm sound reaches far and wide, quicky alerting others in emergency situations.

Spec:
Item Type: Hand Crank Siren
Material: Aluminum Alloy
Base Size: Approx. 140 x 50mm / 5.5 x 2.0in
Hole Spacing: Approx. 110 x 28mm / 4.3 x 1.1in
Product Size: Height 328 x 195mm / 12.9 x 7.7in
Gross Weight: Approx. 4266g / 9.4lb
Communicate Mode: Sound Transmission
Alarm Type: On Site Alarm
Volume: 125dB(A) at 1m
Sound Frequency: 600±20Hz (Depends on the rotation speed)
Effective Range: Diameter 2000m/6562ft
Application: Widely used in factories, homes, schools, oil depots, warehouses, flood control, disaster relief, public and industrial places, to sound alarms timely in emergency situations and reduce casualties and property loss.

How to Use:
Simply crank the device by hand to activate the alarm and emit sound.

Package List:
1 xHand Crank Siren
1 x Handle

Notice:
Manual measurement, please allow some errors.