IINCOOY Wall-Mounted Hand Siren Air Raid Siren Hand Crank, 120dB Manual Operated Siren Horn, Self Protection Emergency Siren Aluminum Alloy Crank

Description

• POWERFUL SOUND: This hand operated lightweight siren produces a loud adjustable sound of 120dB powerful universally recognized sound. The hand-cranked alarm plays an active role.
• AIR RAID ALARM: Handheld alarm is to provide power to the alarm by shaking the handle without the need for power support. The size of the sound depends on the hand speed.
• WIRELESS ALARM SYSTEM: When the power and traffic are blocked, other mobile alarms cannot enter the alarm area, and the portable and convenient hand-crank alarm becomes a very convenient and practical alarm.
• ROLE: The essential items for emergencies in any place can effectively provide timely warnings and reduce people's property losses and casualties.
• WIDE APPLICATION: Handheld alarm is widely used in factories, schools, camps, mountain rescue and seaside anti-ship, ships, mines, plains, pastures, gas stations , airports, forest farms, hotels, etc.

Features:
No Power Supply Required: The hand siren crank is Manual air protection siren with winch drive. Produces a loud demodulated sound of 120 decibels
Operating Principle: By manually turning the handle, the transmission of the transmission is accelerated step by step to achieve the purpose of the sound, the sound depends on the rotation speed of the handle

Specification:
Product name: hand crank alarm
Net weight: 4 kg
Color of product: green
Sound pressure level: 120 2 dB (A)
Product material: aluminum alloy shell
Tone Frequency: 60020Hz
Hand Crank Direction: Clockwise
Transmission distance: 300-500M.
Application areas: engineering, school, army, special for flood control, natural disasters and other emergency places

Package Included:
1*hand crank alarm

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