Sturdy outdoor musthave: designed for multiple extreme environments, this device combines a directional identification module, a temperature sensing display, and an integrated frequency sound device to serve as a multifunctional tool for outdoor emergencies. Dependable urgent alert system: lightweight and compact survival whistle for easy carrying and immediate use when it matters most. The Survival Whistle is built for rapid response in urgent situations. Composite structure innovation: built with twomode components in a robust composite body. Delivers clear information, provides environmental temperature sensing, and offers doublesided direction positioning for reliable outdoor use. Compact and portable solution: streamlined curved surface design enables compact storage in gear bag interlayers, while also supporting wrist wear for lightweight portability during outdoor adventures. Use scenarios Backcountry hiking or mountaineering: stay oriented with the directional identification module, monitor ambient temperature, and rely on the frequency signal for urgent alerts. Camping, fishing, or boating in remote areas: access quick temperature readings and directional cues to assess conditions and communicate during emergencies. Emergency kits and searchandrescue operations: the compact, twomode components provide rapid, dependable signaling and information delivery in critical moments.