The Fox 40¸ Classic is the standard choice referees and coaches at all levels rescue professionals and general safety worldwide. - No moving parts to freeze jam or deteriorate. - Flawless consistent and reliable. - The harder you blow the louder the sound. - Easy to blow and cannot be overblown. - Will be heard above ambient noise loud crowds the roar of engines breaking waves and thundering gale force winds. - Chambers are designed to self clear when submerged in water. - Sound will be heard up to a mile away. - Supplied with wrist strap
