Storm whistles are world renown for being the loudest whistles in the world. With minimal effort you can whistle as loud as 130 db.
Football referees and officials need to be heard well above the roaring crowd in any weather. If any whistle is capable of doing just that it is the Storm whistle.
With its unique patented water purging design the all weather Storm whistles can still be heard above howling winds and torrential rain with no problem. In fact the Storm whistle can even be heard in excess of 50 feet when used underwater!
The Safety Storm whistles are used world wide by the US military, police and law enforcement agencies and security forces when being heard can be a matter of life or death.
Universal Self Defence also has the not so loud whistles that are perfect for coaches indoors and for smaller training group sessions.