Check the listing for details. FOX 40 Classic Safety with Coil. Condition: New. Listed at 8.99 USD. This is the one that changed the game! Standard choice for personal safety and rescue professionals worldwide. Authentic. Original. Fox 40's first pealess whistle. The harder you blow, the louder the sound! Reliable, flawless consistent and penetrating sound. Used by referees and coaches at all levels who need every call to be heard and depend on its reliability. Flawless, consistent and penetrating sound keeps the referee in control of the game. Be heard above ambient noise, the roar of engines, breaking waves and gale-force winds. The chambers are designed to self-clear when submerged in water. No moving parts to freeze, jam or deteriorate. Design: 3-chamber pealess Sound Power: 115 dB Attachment: Flex Coil Weight: 0.06 lbs Colors Shown Above Are: Red, Pink, Gold & Neon