The 5-in-1 Survival Whistle is a simple yet highly effective survival tool that anyone who hikes, camps, or enjoys the outdoors needs. One simple and easy to carry whistle incorporates five functions that can mean the difference between success or failure on your next outdoor adventure. Starting with the whistle which operates at an impressive 112db you can be sure anyone around your area will hear your call for help. In addition to the whistle, there is water resistant storage where you can keep matches or other essentials. That isn't all, you also have a liquid filled compass, signaling mirror, and fire starting flint on the side of the whistle.