High-decibel 120dB double tube whistle delivers a powerful, piercing sound that can be heard over long distances, ideal for urgency signaling in outdoor settings Crafted from sturdy aluminum alloy with a -resistant finish, this whistle is built for rugged use in camping, hiking, and survival environments Lightweight and compact design with attachment makes it easy to carry on backpacks, belts, or keychains without adding bulk Multipurpose safety whistle is suitable for outdoor adventures, disaster preparedness, dog training, boating, and other high-alert scenarios Comes in a 2-pack for added value and convenience, allowing you to keep in your gear and another as a backup or to share with a partner