The ST-100 hand cranked alarm has a wide range of applications and can be used in civil defense, military, detention centers, prisons, mines, airports, grasslands, oil depots, warehouses, hotels, and other enterprises and units. It is an ideal alarm device in case of emergencies in units.

The sound intensity of the ST-100 hand cranked alarm depends on the speed of the handle shaking. The new hand cranked alarm is equipped with a shutter mechanism in the sound window, which can close the sound window, block the sound, and generate different signals. At the same time, it only needs to manually shake the handle clockwise at a speed of 50-80 revolutions per minute to achieve the ideal alarm effect. The sound emitted is sharp, powerful, and penetrating.

Installation of ST-100 electric alarm:

1. Remove from the cardboard box

2. Remove the rocker arm, align it with the screw hole and tighten it clockwise

3. Lower the handles on both sides towards the direction of movement and press them tightly

4. Hold the handle with your left hand and shake it clockwise with your right hand to make a sound

The ST-100 hand cranked alarm has a wide range of applications and can be used in civil defense, military, detention centers, prisons, mines, airports, grasslands, oil depots, warehouses, hotels, and other enterprises and units. It is an ideal alarm device in case of emergencies in units.

The sound intensity of the ST-100 hand cranked alarm depends on the speed of the handle shaking. The new hand cranked alarm is equipped with a shutter mechanism in the sound window, which can close the sound window, block the sound, and generate different signals. At the same time, it only needs to manually shake the handle clockwise at a speed of 50-80 revolutions per minute to achieve the ideal alarm effect. The sound emitted is sharp, powerful, and penetrating.