The Fox 40 Sharx Marine Whistle provides exceptional sound! The whistle is extremely easy to blow! Works wet or dry! Flawless, consistent and reliable performance makes it the preferred, and trusted whistle for search & rescue, outdoors and personal safety. The Fox 40 Sharx emits effortless authoritative sound power of 120 dB that can be heard for up to a mile (1.6 km) away. Specifically designed to perform in the nastiest weather conditions! The Fox 40 Sharx is designed specifically for the outdoors. The harder you blow, the louder the sound. Easy to blow and cannot be overblown. Chambers are designed to self-clear when submerged in water. Will be heard above ambient noise, loud crowds, the roar of engines, breaking waves and thundering gale-force winds. Made from durable polycarbonate and co-molded elastomer for added comfort and slip resistance. No moving parts to freeze, jam or deteriorate. Whistle comes with a corrosion resistant stainless steel split ring with a breakaway lanyard. Lanyard is a Safety Neck Lanyard that Releases with Tension. Fox 40 Lanyards are now 36" (91.4 cm) in length 3/16" (5 mm) Rope-Style; woven with the Fox 40 Brand that includes J-Hook and Button-Style Spring-Loaded Adjustable Cord Lock. Whistle is available in multiple colors.