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 (Black)
Brand: HyperWhistle
Color: black
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
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