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Since children get lost some time when going out with their parents, the lost-preventing lighting balloon designed as cluster watches can help to find the lost children. The lighting balloon is mainly for parent to find their kids in the crowd, and at the same time, people around are aware of there are little kids getting lost in the crowd. When the kids go beyond the preset range, the mother watch will vibrate, and at the other end, the children can press the button to let out the lighting balloon which can send out signals, and parent can follow the GPS in the watches to find their children. More function is there in those watches apart fro
Guangdong lndustry Polytechnic