Aluminum Alloy Outdoor Camping Survival Life-saving Whistle

• Name: High frequency double-tube survival whistle
• Material: Aluminum alloy material
• Weight: 13.5g
• Color: silver, gold
• Peak volume: about 120dB
• Surface treatment: oxidation + sandblasting
• Specification: Length 56mm×width 15mm×thickness 8mm

【Features】1. High-quality aluminum alloy, lightweight and textured, equipped with a keychain, easy to carry and not easy to lose.
2. The surface is colored by anodizing technology, the workmanship is delicate, not easy to fade, and more durable.
3. The high-frequency dual-tube design can better increase the volume and make the sound spread farther.
4. The inner cavity is designed without beads, and it can be used normally if there is water in it.

        If you are in distress while hiking in the wild, the survival post will be the most reliable signal device when seeking help.
The sharp whistle can pass through strong winds and use air vibration to make a sharp sound, far beyond the reach of human voices.
         The professional survival whistle has a special sound structure, which makes it more labor-saving to blow.When you are trapped in the mountains and your physical strength is exhausted, you can blow it with a gentle force.
        Not only is it used in times of distress, it can also be used as a function of contact, simple communication and direction positioning