1.3-in-1 Survival Whistle, Compass,Thermometer 2.Lightweight multipurpose whistle 3.for camping, hiking,outdoor activities 3-in-1 Survival Whistle With Compass and Thermometer3-in-1 Survival Whistle with Compass and ThermometerLightweight multipurpose whistleMaterial: Mainly PlasticWith neck strap (50cm)Liquid filled compass increased the accuracyWith mini Compass and Thermometer (-20~50 °C) on ...
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