Luqeeg Hand Crank Sound Alarm, Adjustable Volume Watertight Aluminum Alloy Manual Operated Siren for Emergency, with Large Effective Range, Self Guard Tool (Red)

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. packing list: 1 xHand Crank Siren 1 x Handle Notice: Manual measurement, please allow some errors.

• [Wide Application] Ideal for sudden fires, attacks, and attracting help in emergency situations.
• [Portable Design] Manually operated and easy to carry for on-the-go emergencies.
• [High-frequency Alarm] Quick rotation generates strong sound vibrations for effective alerts in emergencies.
• [Durable Construction] Rustproof and Watertight aluminum alloy for long-lasting use.
• [Adjustable Volume] Speed-dependent volume control for louder alarms when needed.