HyperWhistle The Original Worlds Loudest Whistle up to 142db Loud

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 Worlds's Loudest Whistle SPL up to 142dB 8x louder than a common ...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 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