1.SOS help: In case of emergency, press the SOS button, which issued a distress message to the guardian.
2. dual positioning: dual monitor GPS satellite positioning and base stations to achieve all-weather real-time location tracking.
3. Smart power: Three power saving mode, long standby.
4. Remote monitoring: high-sensitivity microphone, in an emergency situation when a user, real-time monitoring equipment surrounding sound
5. Electronic fence: device-centric designate an area on the map, the area immediately to the police.
6. historical track: query the device anywhere within three have running track.
7.GSM four-way system: 850/900/1800 / 1900MHz
8. Time display: GPS precise timing, without having to manually adjust the time.
Battery capacity: 3.7V 450mA
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