HyperWhistle The Original Worlds loudest whistle up to 142db Loud, Very long range, For Referee, Coaches, Instructors, Sports, Teachers, Life Guard, Protection, Self Defense, Survival, Emergency uses

HyperWhistle The Original Worlds loudest whistle up to 142db Loud, Very long range, For Referee, Coaches, Instructors, Sports, Teachers, Life Guard, Protection, Self Defense, Survival, Emergency uses LOUD! – Up to 142dB for 2+ mile 8x range of a common sports whistle included hearing protectors and easy clip neck lanyard Used for Boating, Sporting Events, Life Safety, Camping, Hiking Works in all weather environments, including underwater 143db SPL TEST VIDEO… https://www.youtube.com/watch?v=3arN5HtB09k Worlds’s Loudest Whistle SPL up to […]

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HyperWhistle The Original Worlds loudest whistle up to 142db Loud, Very long range, For Referee, Coaches, Instructors, Sports, Teachers, Life Guard, Protection, Self Defense, Survival, Emergency uses