Fenix lifesaving whistles-NW20 and NW30

No movable parts, pealess design and max sound intensity to 120 decibel,  Fenix lifesaving whistles are designed to give you the best chance for survival in a disaster or life threatening situation. Boasting our unique sounding chamber, it will save you 30% effort than ordinary whistle does. Fenix lifesaving whistle is an essential piece of safety equipment to have on you during outdoor activities.