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Hand Operated Manual Emergency Siren 118 dB High Output Mechanical Warning Alarm. 118 ±2 dB(A) sound output at 1 meter. Up to 500 meters sound range. Manual operation — no electricity required. Continuous & warble sound modes. 600 ±20 Hz output frequency. Flat surface or stand mount. Price mentioned per piece.
Available colors
The Hand Operated Manual Emergency Siren is a dependable, high-output mechanical warning device designed for emergency situations where electricity is unavailable. Producing a powerful 118 ±2 dB(A) sound at 1 meter with an effective range of up to 500 meters, it delivers reliable emergency alerts for evacuation, disaster response, and industrial safety. The siren operates entirely by hand, eliminating the need for electrical power, making it ideal for remote locations, backup warning systems, and power outage situations. It features an adjustable 600 ±20 Hz output frequency, depending on crank rotation speed, and offers both continuous and warble sound modes for versatile emergency signaling. Its durable construction and wall or flat-surface mounting capability ensure dependable performance in critical situations. Key Features: Powerful 118 ±2 dB(A) sound output; Audible range up to 500 meters radius; Manual operation—no electricity required; Dual sound modes: Continuous & Warble; Adjustable 600 ±20 Hz output frequency; Durable construction for long-term reliability; Wall or flat surface mounting; Ideal backup warning device during power failures. Industries Uses / Applications: Manufacturing & Industrial Plants; Construction Sites; Civil Defense & Emergency Services; Disaster Management & Rescue Operations; Warehouses & Logistics Centers.
Safety Information
Hand-operated siren for emergency warning. Inspect before each use for damage. Ensure crank mechanism and mounting stand are in good condition. Store in a cool, dry place.
No certifications listed.
HOMS1 Hand Operated Manual Siren High Power Mechanical Emergency Warning Siren No Electricity Required. 118 ±2 dB(A) sound output at 1 meter. Up to ~500 meters sound range. Fully manual — no electricity or batteries. Continuous & warble sound modes. Flat surface or wall mount. Price mentioned per piece.
Hand Crank Siren Horn Manual Aluminum Alloy Emergency Warning Siren. Manual hand crank operation, no electricity required. Durable aluminum alloy construction. Rust and corrosion resistant. Loud and clear warning sound. Compact and lightweight. Green and red color. Price mentioned per piece.
High Power Portable Handheld Megaphone 8MLS ABS Plastic Loud Speaker. 1500mAh battery capacity. Input voltage AC 220V. Durable ABS plastic body. Wired microphone included. Supports Bluetooth, USB, TF card. 350 seconds recording time. Red and white color. Price mentioned per piece.
G3 Plus Fire Alarm Sounder with Red Strobe Light Warning Siren. Combined audible alarm and visual strobe warning. ≥95 dB sound output @ 1m. ≥75 CD flash intensity. DC 10V-24V working voltage. ≤70 mA operating current. Flash cycle <1 second. Durable ABS housing. Wall/ceiling mount. Price mentioned per piece.
