You don't even have to know how to...
You don't even have to know how to whistle with this Electronic Pocket Whistle. Simply push a button. Emits a loud 120db whistle for as long as you push the button.
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Useful in various situations such as sporting events, a locator in emergencies (earthquakes, collapsed buildings), as referee whistle, traffic use for police, military training, dog handling and as a safety alarm for crime prevention.
Uses 4 LR44 batteries (included) and measures 4 inches long.
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