Item Tag: 7.36×6.73×5.79 Inches
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Hand Crank Siren Horn, Hand Loud Crank, Emergency Safety Manual Siren, Portab…
MANUAL OPERATION: Generates alarm by turning handle; louder sound with faster rotation speed. ADJUSTABLE SOUND OUTPUT: Achieves up to 110 dB at 150 rpm, effective range about 1 km under open field conditions.
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Hand Crank Siren Horn, Hand Loud Crank, Emergency Safety Manual Siren, Portab…
MANUAL OPERATION: Generates alarm by turning handle; louder sound with faster rotation speed. ADJUSTABLE SOUND OUTPUT: Achieves up to 110 dB at 150 rpm, effective range about 1 km under open field conditions.