Hand Cranked Alarm, Fire Equipment, Air Defense Exercise
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Product Highlights
- Fully Mechanical Operation: No power or batteries required; works instantly via hand crank for emergency use.
- High Volume Output: Generates 110 dB alarm tone at 1m, covering a radius of over 500 meters.
- Adjustable Height Design: Flexible positioning with a vertical lift range from 96 cm to 121 cm.
- EMP-Proof & Durable: Weather-resistant powder-coated steel body; immune to blackouts and EMP attacks.
- Portable & Easy Install: Lightweight at 8.5 kg; includes ground spike and optional wall-mount bracket.
- Zero Maintenance: No motors or batteries mean unlimited runtime with no ongoing maintenance costs.
Product Attributes
- Customization
- Available
- Type
- Industry Alarm
- Working Mode
- Hand Movement
- Model NO.
- LK-100L
- Application
- Indoor, Outdoor
- Province
- Zhejinag
- Trademark
- SNTOOM
- Origin
- China
- Production Capacity
- 500000
Product Images of Hand Cranked Alarm, Fire Equipment, Air Defense Exercise
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Hand Cranked Alarm, Fire Equipment, Air Defense Exercise -
Hand Cranked Alarm, Fire Equipment, Air Defense Exercise -
Hand Cranked Alarm, Fire Equipment, Air Defense Exercise -
Hand Cranked Alarm, Fire Equipment, Air Defense Exercise -
Hand Cranked Alarm, Fire Equipment, Air Defense Exercise -
Hand Cranked Alarm, Fire Equipment, Air Defense Exercise -
Hand Cranked Alarm, Fire Equipment, Air Defense Exercise
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Product Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | STSY-100L |
| Alarm Type | Mechanical Siren |
| Operation | Manual Hand-Crank |
| Sound Output | 110 dB @ 1m |
| Frequency | 550 Hz |
| Height Range | 96 cm (low) - 121 cm (high) |
| Lift Adjustment | 25 cm vertical range |
| Color | Green (Standard) |
| Material | Powder-Coated Steel |
| Weight | 8.5 kg |
Key Features
No Power Required - Fully mechanical operation
Instant Activation - Immediate alarm sound when cranked
Adjustable Height - Flexible positioning (96-121 cm)
Durable Construction - Weather-resistant steel body
Portable - No wiring or batteries needed
How It Works
The siren generates sound through gear-driven air compression:
-
Hand crank turns internal gears
-
Gearbox accelerates rotation (up to 6,000 RPM)
-
Whistling wheel compresses air, creating a 110dB alarm tone
Applications
| Sector | Use Case |
|---|---|
| Civil Defense | Emergency evacuation signals |
| Military | Field communication & alerts |
| Prisons | Riot control & lockdown warnings |
| Mining | Underground emergency notifications |
| Agriculture | Livestock/wildlife deterrent |
| Oil & Gas | Backup alarm during power failures |
Advantages Over Electric Alarms
→ Works in blackouts & EMP conditions
→ No maintenance (no batteries/motors)
→ Unlimited runtime (operator-dependent)
→ EMP-proof (ideal for military use)
Package Includes:
1× Hand-Crank Alarm Unit
1× Ground Spike for Outdoor Use
1× Wall-Mount Bracket (optional)
1× Operation Manual
Why Choose STSY-100L?
Reliable - No power/fuel required
Loud - 110dB covers 500m+
Versatile - Adjustable height & portable
Military-Grade - Used by armed forces
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR243297". Items marked "
" are certified.
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Company Profile
ZHEJIANG SHUNTONG Co., founded in 1995, with more than 35000M2 manufacturing space, 650 employees, it becomes one of the leading manufacturer of industrial electric product in China. As well as one of the earliest factories in the line with nearly 20 years experience in producing and developing for electric equipment.
The Company has successfully developed and producing various categories in industrial electric products which include: Circuit Breakers, Panel Boards, AC contactors, Meters, Relays, Fuses, Control Units… As well as many other electrical accessories such as LED lighting.
Shuntong owns modern R&D center for developing electric products with full-line of high-tech moulding, manufacturing equipment and great strength of technical support, besides advanced design forces powered by first class engineering teams with super industrial computer systems. Thus, each piece of the product is fully assured with top-reliable quality, scientific and novel design as well as excellent workmanship.
SHUNTONG Electricals obtained ISO9001 quality system certification, ISO14001, OHSAS18001, CB certification; SEMKO and CE certification, etc. It is no doubt that the products are warmly welcomed not only in domestic but also in overseas market year after year.
In order to keep the leadship in electrical industry, Shuntong continuous increase and update manufacturing facilities, keep improving techniques and adopting the most advanced inspect instrument to bring our products to an even higher quality level along with impeccable & rapidly delivery service.
About Our Factory & Business Background
- Address
- Houjie Industry Zone, Liushi Town, Yueqing, Wenzhou, Zhejiang, China
- Terms of Payment
- LC, T/T, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, CIP, FCA, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Ningbo
Our Production Capability & Technical Expertise
- Main Products
- Transformers, Frequency Inverter, Inverter, Voltage Stabilizer, Fan
Our Industry Experience & Global Business Record
- Export Year
- 2017-08-09
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Does the alarm require electricity or batteries?
- No, it is fully mechanical. It operates solely by hand cranking, making it ideal for power outages or EMP conditions.
- How loud is the alarm sound?
- The siren produces a 110 dB alarm tone at 1 meter distance, which can cover an area of over 500 meters.
- What is the height range of the alarm?
- The height is adjustable from 96 cm (low) to 121 cm (high), offering a 25 cm vertical lift range for flexible positioning.
- What materials is the alarm made of?
- It is constructed from powder-coated steel, providing a durable and weather-resistant body suitable for indoor and outdoor use.
- What is included in the package?
- The package includes 1 hand-crank alarm unit, 1 ground spike for outdoor use, 1 optional wall-mount bracket, and 1 operation manual.
- What are the main applications for this alarm?
- It is used for civil defense, military communication, prison riot control, mining emergencies, and as a livestock deterrent.
- What is the lead time for shipping?
- The average lead time is within 15 workdays during the off-season and one month during the peak season.
- What payment terms are accepted?
- We accept LC, T/T, Western Union, and Money Gram as terms of payment.
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