Hand-crank siren, 110 dB, Aluminum alloy, Manual alarm, for use in schools and other public places

Material: Aluminum Alloy

Color: Red

Model: SY-100

Volume: ≥ 110 dB

Length: 23.1 cm

Range: 500 m

Power Supply: Manual, No Batteries Required

This hand-crank siren generates a powerful 110 dB manual alarm signal with a range of 500 m. Made of aluminum alloy, this manual alarm is resistant to corrosion and harsh conditions. The hand-crank siren requires no batteries or mains power. Simply turn the crank to activate the manual alarm immediately. Ideal for factories, schools, and public places in case of emergency or power outage. Technical Specifications: Model SY-100 made of red aluminum alloy, 23.1 cm long, volume ≥ 110 dB, and a range of 500 m for effective alerting. Compatibility and Accessories: This manual alarm operates independently without additional accessories, making it ideal as standalone safety equipment in various environments. Installation and Use: Activate the hand-crank siren by turning it clockwise for 30 seconds. No complex installation is required for immediate use. Other Information: Designed for factories, schools, the military, and mountain rescue. This device ensures reliable preparedness for critical emergency situations. Important Notes: The sound volume depends on the speed of manual rotation. Measurements may vary slightly, and the actual color may differ from the images.