1. SOS key for help: in case of emergency, press the SOS button to send out a distress message to the guardian.
2. Positioning GPS
3. WeChat, text message push
4. Smart power saving
5. Remote listening: high sensitivity microphone, in the user emergency situation, real-time monitoring of the peripheral sound of the device.
6. Two-way call: users can talk to each other, and can set three family Numbers to call each other in real time.
7. Electronic fence: use the device as the center to designate an area of the map, and the area of the area immediately APP and SMS alarm.
8. Historical trajectory: anytime and anywhere query the track of three months.