3-in-1 Super-Loud Emergency Whistles w/ Compass

3-in-1 multi-functional, besides an emergency whistle, it is also a compass and a thermometer, thus bringing you necessary information during outdoor sports. You can use your favorite lanyard instead of a nylon lanyard. It also can be tied to your backpack, belt, and so on. You can tie this to your PFD and that works pretty well too. Loud safety whistle for camping, hiking, cycling, skiing, and any kind of outdoor activities, and can be useful for Coaches, Instructors, Sports Teachers, Life Guards, etc A whistle can save your life if there is an emergency. Vocal screams are really not that loud. A whistle will be much louder than a scream. This one has a great sound, carries a good distance, and doesn't hurt your ears when you blow it. Durable and loud. Just the right pitch and warble to command authority. Ball on the inside can get frozen during very cold weather. If this happens to you, try spraying some dry silicone inside to coat the ball. 3-in-1 super loud survival whistle