Advanced science and technology makes this the most efficient, loudest whistle ever produced by Fox 40. This whistle cannot be overblown and emits sound power that exceeds 120 decibels. Ideal for large crowd arenas, airport runways, search and rescue, outdoor activities and any situation where a loud signalling device is needed.

Pealess Design, No moving Parts-nothing to obstruct Sound, nothing to jam, break or freeze. Advanced science and technology makes this the most efficient, loudest whistle ever produced by Fox 40. This whistle cannot be overblown and emits sound power that exceeds 120 decibels.