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Hand Crank Siren Aluminium Alloy 110dB Loud Alarm Air Raid Tornado Siren Horn for Emergency Industrial Factory Use Green Red (Red)
- Solid Aluminium Alloy Construction : This hand crank siren is crafted from durable aluminium alloy. It consists of a handle and an internal mechanical device. When the handle is turned rapidly, it generates a high frequency alarm that effectively draws attention in emergency situations. Available in green or red.
- Loud 110dB Alarm with Adjustable Volume : The sound pressure level reaches 110±2dB at 1 meter distance. Volume varies based on rotation speed. The higher the rotation speed, the louder the sound. A trigger can open the blades to further amplify the alarm.
- Compact and Portable for NoElectricity Situations : With a compact and sturdy design, this siren is easy to carry and operate. It provides an effective warning where no power source is available. Ideal for outdoor emergencies, remote areas, or backup alert systems.
- Wide Application Across Multiple Settings : Suitable for factories, homes, schools, oil depots, warehouses, flood prevention, disaster relief, public and indu
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Overview
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Product Description
This hand crank siren provides a reliable warning signal without any need for electricity or batteries.
It is made of solid aluminium alloy with a mechanical internal device.
To use, simply turn the handle rapidly. The higher the rotation speed, the louder the alarm.
Sound pressure reaches 110±2dB at 1 meter, with a frequency of 550±20Hz.
The effective range covers a diameter of 1000 meters, making it suitable for large outdoor areas.
A trigger on the siren opens internal blades to amplify the sound even more.
This siren is available in two colors: green and red.
Use it for emergency alerts in factories, schools, warehouses, oil depots, flood zones, or public events.
Its compact size (205x198x115mm) and light weight (1833g) allow easy storage and transport.
No power source is required, so it works during blackouts or in remote locations.
Product Parameters
Item typeHand Crank Siren (Wireless Alarm Host).
MaterialAluminium alloy.
ColorGreen or Red (optional).
WeightApproximately 1833.00g / 64.66oz.
Mounting hole spacingApproximately 60 x 60 mm (2.36 x 2.36 inches).
SizeApproximately 205 x 198 x 115 mm (8.07 x 7.80 x 4.53 inches).
Communication methodSound transmission.
Alarm methodOnsite alarm.
Sound pressure level110 ± 2 dB(A) at 1 meter.
Sound frequency550 ± 20 Hz (depends on hand cranking speed).
Effective rangeDiameter up to 1000 meters / 3280 feet.
ApplicationFactories, homes, schools, oil depots, warehouses, flood prevention, disaster relief, public and industrial places.
Package contents1 x hand crank siren.
This hand crank siren provides a reliable warning signal without any need for electricity or batteries.
It is made of solid aluminium alloy with a mechanical internal device.
To use, simply turn the handle rapidly. The higher the rotation speed, the louder the alarm.
Sound pressure reaches 110±2dB at 1 meter, with a frequency of 550±20Hz.
The effective range covers a diameter of 1000 meters, making it suitable for large outdoor areas.
A trigger on the siren opens internal blades to amplify the sound even more.
This siren is available in two colors: green and red.
Use it for emergency alerts in factories, schools, warehouses, oil depots, flood zones, or public events.
Its compact size (205x198x115mm) and light weight (1833g) allow easy storage and transport.
No power source is required, so it works during blackouts or in remote locations.
Product Parameters
Item typeHand Crank Siren (Wireless Alarm Host).
MaterialAluminium alloy.
ColorGreen or Red (optional).
WeightApproximately 1833.00g / 64.66oz.
Mounting hole spacingApproximately 60 x 60 mm (2.36 x 2.36 inches).
SizeApproximately 205 x 198 x 115 mm (8.07 x 7.80 x 4.53 inches).
Communication methodSound transmission.
Alarm methodOnsite alarm.
Sound pressure level110 ± 2 dB(A) at 1 meter.
Sound frequency550 ± 20 Hz (depends on hand cranking speed).
Effective rangeDiameter up to 1000 meters / 3280 feet.
ApplicationFactories, homes, schools, oil depots, warehouses, flood prevention, disaster relief, public and industrial places.
Package contents1 x hand crank siren.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Cloud Sail Return Policy
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