The Acme ® Tornado 2000 Whistle has two high pitch frequencies for loudness close to the whistle and a lower pitch for distance to sound simultaneously. Recommended for Referees especially in big stadiums or anywhere that real power is required.
As used in FIFA Internationals, F.A. and Champions League Matches FIMBRA and FINA matches.
- Unaffected by water.
- Blow Tone: 4700Hz.
- Excellent for indoor and water sports.
- 4.5cm long.
- Weight 5g.
- Approved for referees, lifeguards and basketball.