How to monitor children's whereabouts after school? Children don't come home on time?

The route of children's whereabouts can be realized through the product of the green net doll-the children's whereabouts management system. Know your child's whereabouts on the way to and from school like the back of your hand, prevent him from playing truant, prevent him from getting lost, and give him a safe place. It uses two positioning modes, mobile phone base station and satellite GPS, to provide parents with online services to monitor their children's whereabouts. Parents can query their children's location in real time by calling SMS and website electronic map. Parents equip their children with green frogs and specify compatible mobile phone hardware for their children.