Coghlan's Emergency Survival Horn is a reliable and effective emergency signaling device that can generate 120 dBs of audible blasts, which can be heard up to a mile away. This lightweight mouth horn is perfect for backpacking and watersports, as it floats and is highly visible in bright orange. It also features a stone and twig guard to protect the rubber membrane, ensuring it stays functional when you need it most. With a diameter of 1.75 inches and a length of 3 inches, it's compact and easy to pack, and comes with a break-away lanyard for additional safety. Don't take any chances when it comes to your safety in the great outdoors - add the Coghlan's Emergency Survival Horn to your kit today.