YaeTek Hand Crank Loud 115dB Hand Crank Manual Operated Portable Metal Alarm/Siren (Air Raid)

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Make sure this fits by entering your model number.
Rate HZ 500±20;Dimension 190*190*170mm
No power support, compact structure, easy to carry

Description

 

Specification:
dB(A)1m 110±2
Rate HZ 500±20
Transmission distance Φ 1000M
Material Aluminium
N.W 1.2KG
Dimension 190*190*170mm

Operation steps:
1, Get the Alarm, and hold the handle with your left hand
2, Tighten the rocker arm alignment screw in a clockwise direction
3, With left index finger by the wind trigger, the right hand shaking the handle clockwise to making alarm

Make sure this fits by entering your model number.
Rate HZ 500±20;Dimension 190*190*170mm
No power support, compact structure, easy to carry
A wide range of applications, such as the advantages of long life.
The sound depends on the rotation speed of the handle.
By manually rotating the handle, the gearbox of the transmission step by step acceleration to achieve the purpose of sound

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