Recommended by the DofE and featured on the DofE Expedition Kit List, this whistle is one of the most powerful for all-weather conditions.__ The Lifesystems Hurricane whistle performs brilliantly as the tri-tone sound can be heard in all directions at 122 decibels.__ It can be heard further away than other whistles, making it an ideal choice for first time youth campers, festival goers, DofE participants and Scouts expeditioners.__122dB loudnessTri-tone soundFloats on waterNeck lanyard and attachment clip