Sometimes, the only way to be found is to be heard. The loud, crisp sound of the Fox 40 Classic safety whistle cuts through other noise to help signal your location for rescuers—up to a mile away.
Features
The harder you blow, the louder the sound (up to 115 dB); this whistle can be heard above crowds, engines, waves and wind, and it cannot be overblown
No moving parts to freeze, jam or deteriorate; chambers are designed to self-clear when submerged in water