•【7 In 1 Multifunctional Design】This outdoor survival whistle combines a high-decibel whistle, compass, thermometer, signal mirror, magnifying glass, flashlight, and sealed compartment in one compact device •【High-Decibel Emergency Whistle】Features a standard military-grade whistle for attracting attention in emergency situations •【Built-in Compass and Thermometer】Includes an accurate compass for navigation and a thermometer to monitor current temperature conditions •【Survival Signal Mirror】Utilizes sunlight reflection principles to help rescuers locate your position during search operations •【LED Flashlight】Equipped with a white LED flashlight for illumination in dark environments, with a long-lasting 10,000-hour bulb life •【Magnifying Glass for Fire Starting】The built-in magnifying glass can focus sunlight to start a fire in the absence of other fire sources •【Sealed Storage Compartment】Includes a waterproof compartment to store essential information or small survival items Specifications: •Dimensions: 9.7cm length, 2.8cm diameter •Weight: 50g •Material: High-strength ABS engineering plastic (impact-resistant and heat-resistant) •Battery: Replaceable button cell (located behind the LED light) Package included: •1 x Survival Whistle •1 x Nylon Lanyard