NEWLY designed Fenix NW20 2016 high-powered emergency whistle. Now a smaller profile. If you can be heard, your chances of being rescued are greatly increased. The Fenix emergency whistle is designed to give you the best chance to survive in a disaster or life-threatening situation. With the unique sounding chamber, the NW20 requires less effort than with an ordinary whistle. You get a maximum sound intensity of 120 decibels. With no movable parts and pealess design the Fenix emergency whistle is an essential piece of safety equipment to have on you during outdoor activities or in your own home during a natural disaster. Every member of your family should have one of these on his/her keychain! Perfect for your daughter on a college campus or anyone who may be in potentially dangerous environments. Keep it handy.