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when people fall into the water and go underwater, we can’t confirm the exact position, which lead to people’s drowning. If there are people fall into the water, others can throw product into water, it can trace the drowning person by the front detector. When product find drowning person, propeller ahead of product will separate from product and move ahead with the TPU tube around drowning person, product’s front detector combine with the rear parts of product which have a sensor,then the tube will be aerated the nitrogen quickly by the Gas generating agent about NaN3、NH4NO3 . The product will take the drowning person to the surface of water.
XiaoriDong ZhaolongLiu JialiYuan JingChen