LiebeWH Hand Crank Siren, 125dB Loud Manual Alarm Horn with Adjustable Volume, Aluminum Alloy Emergency Siren for Outdoor Safety Industrial Use (Red)

Powerful 125dB Alarm: Generates ear-piercing 125dB sound audible up to 2000m, ensuring clear emergency signals in situations with high-frequency acoustic vibration. Adjustable Volume Control: Vane design amplifies sound when pressed while cranking speed controls volume for flexible alarm intensity. Industrial-Grade Construction: Rustproof aluminum alloy body withstands harsh conditions with reliability in rain/snow. Emergency Readiness: No power/installation needed; compact design fits emergency kits, vehicles, or outdoor gear for instant use. Versatile Applications: Ideal for schools, factories, warehouses, and outdoor activities like hiking/boating to signal fires, disasters, or threats. 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. 1 x Hand Crank Handle Manual measurement, please allow some errors.

• Powerful 125dB Alarm: Generates ear-piercing 125dB sound audible up to 2000m, ensuring clear emergency signals in situations with high-frequency acoustic vibration.
• Adjustable Volume Control: Vane design amplifies sound when pressed while cranking speed controls volume for flexible alarm intensity.
• Industrial-Grade Construction: Rustproof aluminum alloy body withstands harsh conditions with reliability in rain/snow.
• Emergency Readiness: No power/installation needed; compact design fits emergency kits, vehicles, or outdoor gear for instant use.
• Versatile Applications: Ideal for schools, factories, warehouses, and outdoor activities like hiking/boating to signal fires, disasters, or threats.