7-in-1 Tool Set7-in-1 Multifunctional Survival Whistle contains high decibel whistle, thermometer, compass, LED light, storage box, magnifying glass, reflector, light and convenient, can meet various requirements of your outdoor adventure. High Quality MaterialThis emergency survival whistle is made of high-quality ABS material, which is tough and wear-resistant, not easy to deform and fade, and has a long service life. Lightweight DesignThis multifunctional whistle is green and environmentally friendly, small and light, very light and practical, and at the same time, it adopts a cylindrical design, which is especially suitable for field use. This emergency survival whistle weighs only 49g, which is light in weight and small in size. At the same time, the whistle is also equipped with a lanyard, which can be hung around the neck to carry with you. The safety whistle is easy to carry and prevents loss. Necessary for Outdoor SurvivalThis outdoor survival whistle is easy to blow, with strong penetrating power and high decibel rate. LED lights are emergency lighting equipment with long service life under the premise that there is no light on site. Our camping post can also store important items such as your ID card, name tag, glucose, etc., and rescuers can immediately grasp your important information; the design has Lanyard, can be hung around the neck, convenient and practical. Wide Scope of ApplicationWhistle not only has a life-saving function in the collection of wild whistle, but also is very suitable for outdoor sports, such as outdoor camping, hiking, hunting, fishing and other activities.