A multifunctional survival whistle that integrates three functions: a survival whistle, a compass, and a thermometer. The three-in-one design is easy to carry and use. Lightweight and compact, easy to carry, suitable for outdoor activities. Built-in compass, liquid-filled design, can quickly locate the direction, helping users find the right direction in outdoor environments. Built-in thermometer, real-time waterproof, liquid-filled design, help users quickly grasp the current temperature. The whistle is loud, penetrating, and has a high decibel rate, which can send out a distress signal when surviving outdoors. Made of environmentally friendly plastic, lightweight design, durable and not easy to damage. Smooth surface, comfortable feel, and beautiful design.
