One section ruler 520 is safe for children to develop custom applications.
The main features are:
Location query, school staff attendance, looking for watches, pedometers and the like. Binding supporting intelligent children watch positioning equipment available can be safely used together parents understand the childs security situation, wherever they can easily find the application to the specific location of the childs school attendance who allows parents to track their child at school of learning, parent-child interaction can not only narrow the distance between parents and children can also help children develop good exercise habits ......