Luqeeg 110dB Loud Alarm Hand Crank Siren, Aluminium Alloy Emergency Air Horns with Sound Transmission, Wireless Alarm Host, for Factories, Homes, Schools (Green)

Specification: Item Type: Hand Crank Alarm Material: Aluminium alloy Weight: Approx. 1833.00g / 64.66oz Mounting Hole Spacing: Approx. 60x60mm/2.36x2.36in Size: Approx. 205x198x115mm / 8.07x7.80x4.53in Communication Method: Sound Transmission Type: Wireless Alarm Host Alarm Method: On site Alarm Sound Pressure Level: 110±2dB(A) at 1m Sound Frequency: 550±20Hz (Depends on the speed of hand cranking) Structure: Aluminum Alloy Alarm Effective Range: Diameter 1000m / 3280ft Wide Application: Widely used in factories, homes, schools, oil depots, warehouses, flood prevention, disaster relief, public and industrial places, it can quickly alarm in emergency situations and reduce casualties and property losses. packing list: 1 x Hand Crank Siren

• [Adjustable Volume with Actuator Amplification] Volume varies based on handle rotation speed, with blades for amplified sound.
• [Loud and Penetrating Sound] Generates a 110db and penetrating sound with a large transmission range.
• [Durable Aluminium Alloy Construction] Crafted from aluminium alloy for durability and reliability.
• [Versatile Emergency Use] Ideal for sudden fires, attacks, or emergencies, as well as a self tool without needing power source.
• [Compact and Portable Design] Easy to carry and operate, providing an effective warning in emergency situations.