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The life-saving post in the past have the courage to break the post of the concept of life-saving, life-saving new post is a pioneer in the design. The ability to predict human disaster is limited, although be prepared, but not often time to prepare for disaster. When we are aware of their distress, have lost a lot of opportunities to meet the disaster. It is just a button in the top of your clothes, do not take up extra space, just in time to play its emergency life-saving post. 1. To issue life-saving signals
2. Good people together to send a signal to support each other
3. To preserve physical strength, in order to prepare for escape.
Ran An, Yuan Feng, Xianjing Zhang, Xiaolei Zhang