The Acme Tornado 2000 is the referees friend. Dual tones make the Tornado 2000 ideal for use in bigger, noisier surroundings like football grounds or stadia. Tornado 2000 whistles have two frequencies, making for a loud whistle nearby and a lower pitch sound in the distance. Recommended for a number of activities and users, such as football, indoors and around the pool, the Tornado 2000 is a multi purpose whistle. Powerful and piercing, suitable for any weather conditions, these Tornado 2000 whistles attain a high frquency that no one is going to miss. The tapered mouthpiece means that the pealess Tornado 2000 is also comfortable to use. Buy the Acme Tornado 2000 at Clubline Football and you are not only getting a great whistle, you are getting it at a great price.