[BUY] The HyperWhistle is officially the worldâ€™s loudest whistle, beating out the former loudest, the Storm Whistle. At over 140db, thatâ€™s louder than almost every sound made by man or nature in the world, and well above the human pain threshold for sound at 130db. This makes for an ultimate addition to a street defense and or urban survival kit.
- Record Breaking 142db Decibels
- Intense Triple Tone Frequency Output
- Audible For Up To Nearly 2 Miles
- Floats and Weighs Just 0.7 Ounces
- Functions While Underwater
The HyperWhistle comes with ear protectors and a lanyard.