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

$9.95 (as of October 4, 2018, 3:52 PM)

LOUD! – Up to 142dB for 2+ mile 4x range of a common whistle
included hearing protectors and easy clip neck lanyard
Used for Boating, Sporting Events, Life Safety, Camping, Hiking

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Description

Worlds’s Loudest Whistle

SPL up to 142dB 8x louder than a common whistle

2 mile usable range

Anti-microbial composite, all-weather construction

Unique radial tri-frequency design

Naturally Buoyant

Works in all weather environments, including underwater

Patented Design US8925478
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

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