When being heard is the difference between life and death, the Storm whistle is the whistle to have in hand. The Storm whistle is without a doubt the loudest whistle in the world, capable of being heard from over a half mile away over land and a mile over water. The Storm whistle utilizes a patented resonance chamber integrated into the whistle that focus its sound like a laser beam and blast a noise twice as loud as any whistle made in the world. This unique design allows the whistle to be easily blown with the slightest of breaths, and held in a fisted hand like a roll of quarters. Lastly the unique Storm whistle is totally waterproof capable of even working underwater.