Military US Navy Storm All Weather Whistles
military us navy storm all weather whistles
loudest whistle on the market. can be heard through walls,
through glass and through water. can be heard over a 1/4 of a mile
through trees and over a 1/2 mile over water. decibel reading
varies between 118 and 120 db. unique patented design allows it
to be heard under water, up to 50 feet, because the sounding
chamber forces all water to be purged when the whistle is blown.
it's perfect for divers, lifeguards, and for recreation. creates a
clear, high frequency sound, with a power rating over 75% greater
than other referee and safety whistles. made in the usa.