HyperWhistle The Original Worlds Loudest Whistle up to 142db Loud, Very black
Publisher: HyperWhistle. Used for Boating, Sporting Events, Life Safety, Camping, Hiking, Police. Product Details.
the Original Worlds Loudest Whistle up to 142Db Loud, Very Long Range, for Refer
SPL up to 142dB 8x louder than a common whistle. Worlds's Loudest Whistle. 2 mile usable range. Used for Boating, Sporting Events, Life Safety, Camping, Hiking, Police. Naturally Buoyant.