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14 SOLDIER BROTHERS Hand Siren Hand Crank Alarm 125 dB Portable Siren Hand Crank Alarm Siren Aluminium Alloy Housing Manual Operated Air Attack Horn / Alarm LK-120 for Factories Schools Coast Guard with Base
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| Colour | Gray |
| Brand | SOLDIER BROTHERS |
| Power source | Hand crank |
| Control method | Touch |
| Noise level | 125 dB |
- 125 dB loud hand siren: the hand crank alarm produces a loud, 125 decibel loud demodulation tone for timely alarms. The alarm siren made of aluminium alloy, it is durable, corrosion and rust resistant
- Portable manual alarm: the hand-operated sirens are lightweight, easy to carry, removable and give alarm when the handle is held. When power and traffic are blocked and other mobile alarms cannot reach the alarm area, the hand alarm plays an active role, can quickly attract people’s attention
- Easy to use: no power support required. The desired alarm effect is achieved by simply manually shaking the handle clockwise at a primary speed (2500 revolutions per minute), producing a majestic sound with a large shock and long wavelength
- Wide Application Widely used in factories, schools, military units, natural disasters, forest fire protection, flood prevention and flood protection, fire protection, reservoirs, airports, hotels and other emergency situations. It can trigger warnings in time and reduce property losses and losses of people
- Box contents and parameters: you will receive 1 piece hand siren. Material: aluminium alloy; operation: manual hand lever actuation; colour: grey; diameter of siren: 230 mm; total height: 360 mm; sound pressure: 125 dB +/- 2 dB; frequency: 600 Hz +/-20 Hz, depending on the speed; transmission range: 2500 (Φm)
