Green Aluminium alloy Crank Hand Operated Air Raid

NZ$681.85 NZ$340.93
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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
Material: Aluminium alloy
Operation: Manual hand lever operated
Color: Green
Sound output: 110±2(dB)
Audio frequency: 550±20(HZ)
Transmission distance: 1000(Φm)
Dimension
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 aluminium alloy.
● Ideal for getting peoples 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.

Notice
1. Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid.
2. The color may have different as the difference display,pls understand.

Package Included
1 x Air Raid Alarm

 
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