HyperWhistle The Original Worlds Loudest Whistle up to 142db Loud, Very Long Range, for Referee, Coaches, Instructors, Sports, Teachers, Life Guard, Self Defense, Survival, Emergency uses
Category: Sports & Outdoors
Categories: Sports & Outdoors > Outdoor Recreation > Camping & Hiking > Safety & Survival > Whistles
Store: HyperWhistle
Average rating: 4.4 (4949 ratings)
Features:
SUPER LOUD- Up to 142dB for 2+ mile 8x range of a common sports whistle
Includes re-usable hearing protectors and easy clip neck lanyard
Used for Boating, Sporting Events, Life Safety, Camping, Hiking, Police
Durable whistle

Worlds's Loudest Whistle SPL up to 142dB 8x louder than a common whistle 2 mile usable range  all-weather construction  Unique radial tri-frequency design  Naturally Buoyant  Works in all weather environments, including underwater Patented Design US8925478