You don't even have to blow on this whistle... just push a button.
Emits a loud 100+db whistle for as long as you hold the button down.
Very useful in sporting events, a locator in emergencies (earthquakes, collapsed buildings, etc.), referee whistle, traffic whistle for police, military training, dog handling and as a safety alarm for crime prevention.
4 inches long. Uses (4) LR44 batteries (included)
Only $13.97