Acme Tornado Day Glo Orange - The World's Most Powerful Whistle
The Worlds most Powerful Whistle.Two high pitch frequencies for loudness close to the whistle and a lower pitch for distance all sound simultaneously. Recommended for Referee's especially in big stadiumsor anywhere that real power is required.As used in FIFA Internationals, F.A. & Champions League Matches FIMBRA & FINA Matches