Storm Whistle loudest whistle in world Yellow Boating Safety
- The patented high tech harmonic design of the Storm Whistle focuses and multiplies the whistles loudness and enables it to be heard over half a mile away ..
- So powerful it even works on, in, and under the water..
- These whistles are being used by members of the Coast Guard, scuba divers, and mariners..
- They are also in use by our military and several police departments around the world..