Product details: Outdoor survival whistle, easy to blow, strong penetrability, high decibel rate Thermometer, grasp the current temperature the first time Filling compass, precise pointing, quick return White LED flashlight, the lighting system for emergency use under the premise that there is no bright light in the field, the life of the LED bulb is 10,000 hours Storage in a sealed warehouse, which can store survival information and medicines Lightweight, environmentally friendly abs material, high strength, drop resistance, high temperature resistance Tinder magnifying glass, without fire, can gather to get fire Reflective signal mirror, can use the principle of sunlight reflection to survive Product Specifications: Product name: outdoor professional seven-in-one multifunctional survival whistle SOS emergency rescue with compass thermometer high frequency whistle Color: Army Green Functions: whistle, compass, thermometer, magnifying glass, reflector, LED light, storage compartment Material: abs Weight: 42g Size: length 98mm*width 29mm Features: multifunctional, versatile, convenient to use, durable and durable