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 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