1. Multi-functional life-saving whistle: It integrates seven functions, which may allow you to travel outdoors without much worry about emergencies you might encounter. Whistle features: It is relatively easy to blow, has strong penetration, and produces high decibels. Using the whistle may help the rescue team find your location more quickly. 2. White LED flashlight: It serves as an emergency lighting system. When there is no bright light in the wild, the LED bulb can have a service life of up to 1000 hours. 3. Storage sealed compartment: Survival information and necessary emergency medicines can be stored in the compartment. You can open the compartment lid when you need to use them. 4. Lightweight material: It is made of environmentally friendly ABS material, which has relatively high strength, is anti - fall, heat - resistant, and can withstand collisions and drops.