HyperWhistle The Original Worlds Loudest Whistle up to 142db Loud, Very Long Range, for Referee, Coaches, Instructors…

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

Make sure this fitsby entering your model number.
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
PRODUCT REVIEW VIDEO… https://youtu.be/RohJfM-VFS0?t=121
143db TEST VIDEO… https://www.youtube.com/watch?v=3arN5HtB09k