A. Dual-tube design, louder sound, can be heard from a distance. The dual-tube emergency whistle can emit a sound of over 100 decibels, which is loud enough to be heard from a long distance. B. Emergency survival whistle: The whistle produces a loud and clear sound. It has no moving parts, so it may not impede the sound transmission or get stuck, making one more likely to be noticed in an emergency. For the sake of safety, it is advisable to carry a portable whistle at all times. C. Easy to carry: The safety whistle can be clipped onto clothes, belts, travel vests, life jackets, backpacks, shoulder straps, etc. One can also hang the whistle around the neck with a lanyard. The lanyard is not included in the package. D. Bright color: Highly eye-catching, which is helpful in search and rescue situations. Due to its bright orange color, it is less likely to be lost. This color also represents an emergency. In any situation, both the user and the orange whistle are more likely to be noticed. It is suitable for lifeguards, self - defense, and emergency use. E. Wide range of uses: It is an item that can meet the needs of daily life and is applicable not only to emergencies in sports events. The loud safety whistle is suitable for various outdoor activities such as camping, hiking, hunting, fishing, boating, etc., and can also be used for dog training.