Be Seen, Be Heard with Fox40! • The first Fox 40 Pealess Whistle designed specifically for the outdoor. • Exceptional sound! Extremely easy to blow! Works wet or dry! • Flawless and consistent performance makes it the preferred, most reliable and trusted whistle for search, rescue, outdoors and personal safety. • Emits effortless authoritative sound power of 120 dB that can be heard for miles over ambient noises. • Specifically designed to perform in the nastiest weather.