Manual Operated Security Alarm

 

4.5" Red Aluminum Alloy Handheld Manual Operated Security Alarm Air Raid Siren Portable Safety

This hand operated lightweight siren produces a loud adjustable sound of 110dB ideal for getting people attention on camps, schools, while cheering your favorite team in sport events or any place that you want to produce an effective warning sound and electricity is not available. The handle and lever folds for easy carrying on the included waist pack.

Technical Specifications
Model: LK-100
Material: Aluminum alloy
Operation: manual hand lever operated
Color: Red
Sound output: 110±2(dB)
Audio frequency: 550±20(HZ)
Transmission distance: 1000
Dimensions
Length: 115mm/4.5"
Width: 202mm/8"
Height: 9.1"

Features and Benefits
Handle and Cranking Lever Folds.
No Power Supply Required.
Compact for Portability.
Powerful Universally Recognized Sound.
Manual Hand Crank Operated Air Raid Siren.
Produces a loud adjustable sound of 110 decibels.
Made out of durable aluminum alloy.
Ideal for getting people's attention, or rooting for your favorite team in sporting events, and many more applications.
By manually rotating the handle, the gearbox of the transmission step by step acceleration to achieve the purpose of sound, the sound depends on the rotation speed of the handle.

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