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The world\'s most powerful whistle, made from a toughened plastic material, the Survival Whistle is an essential part of any outdoor or mountain survival kit. A whistle can be used to alert people if you are in distress. The internationally recognised distress signal is 6 blasts of the whistle with a 1 minute break and then repeated. The reply is 3 blasts with the same pause.
Loudness: 122 dB.