Acme Tornado Slimline Whistle 636 Day Glow Orange

The Slimline Tornado 636 ACME Whistle has two high pitch frequencies which sound simultaneously producing a noise level of 122 dBA. One pitch for high volume close to the whistle and another lower pitch for distance. Slimline, small and flat, loud and high pitched. The little whistle with a big punch. The Tornado Whistle is recommended for Referee's especially in big stadiums or anywhere that real power is required.