Item Tag: Hand Crank Siren Horn
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110 DB Hand Crank Siren Horn with Foldable Handle, Portable
The handle and lever fold for easy storing. Easy to Use: This hand-operated alarm siren does not require power support, just rotating the handle manually, and the gearbox of the transmission accelerates step by step to produce sound.
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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.
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Hand Crank Siren Horn, 110 DB Loud Safety Manual Siren, Portable Metal Manual…
The handle and lever fold for easy storing.