High-frequency Dual-barrel Whistle for Outdoor Camping and Mountaineering Made of Aluminum Alloy for Emergency Rescue.

Up to 120dBDual-tube resonance for easy blowing; dual-tube whistle design delivers a loud and clear high-pitched soundSharp high-pitched sound; a great helper for calling for help and survival in wilderness emergencies45° angled air outletThe perfectly positioned air outlet angle allows air vibration to reach higher frequencies, making the sound louder and travel farther Product Name: Survival Emergency WhistleMaterial: Aluminum AlloySize: 5.3*1.4cmWeight: 11.4g

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