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Based on parents and teachers can't 24 hours staring at the children, the children when parents and teachers can't see is their most worried about, this design is to let the child is beyond the scope of the line of sight of parent/teacher, can let their children through the APP can know the location and movement, that parent teacher can rest assured
smart watch not only positioning function, it also has the function of alarm at the time of danger, children can alarm by sliding, watch will notify to the parents, and began to gather around. At the same time it also has a safe range.
South China university of technology