- 115 Decibels of high pitch Shrill rises above ambient Noise-can be heard up to a Mile away
- 100% constructed of high-impact ABS plastic-So they're 100% impervious to Moisture
- Pealess Design, No moving Parts-nothing to obstruct Sound, nothing to jam, break or freeze
- CMG made of Thermoplastic is preferred by Officials who hold the Whistle in their Mouth to assure a secure Grip
- Fox 40 cannot be overblown-the harder you blow, the louder the Sound