The Storm Whistle is the loudest whistle on the market but is substantially larger than the Fox 40, or other survival and signal whistles. Its unique design allows it to be heard under water and over long distances. The Storm Whistle is perfect for any situation where you must be heard. The Storm Whistle creates a clear, high frequency sound, with a power rating over 75% greater than other referee and safety whistles. It is currently in use by numerous federal and law enforcement agencies, rescue organizations and sports officials. A survival whistle, like the Storm Whistle, is an all to often forgotten piece of necessary survival equipment. The Storm Whistle by the All Weather Safety Whistle Company is a low cost piece of insurance that should not be overlooked. Our version is international orange in colour. At 130 db, The Storm Whistle is twice as loud as any other mouth blown whistle in the world. Making a Video of the Storm whistle sonic blast is like making a Video of how a good pizza smells. The youtube below demonstrates that this whistle is effective in and on the water. https://www.youtube.com/watch?v=CxpPDujVEIc 101-125 dB: 110 decibels and above is the level where other sounds can not truly be heard. Aircraft takeoff, trains, and quite loudly concerts would fall to the 110+ decibel level. 126+ dB: 125 decibels is where sound really begins to get painful. Now, you’re basically talking about weaponized audio. This is the noise level of a rocket ship taking off.