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Multiple location mode: LBS WIFI
Global GSM GPRS 4 Frequency System: MHz 850/900/1900
Automatic time update: accurate GPS time service without manual adjustment of time
Tracking: You can query a user's specific location through a mobile phone or computer application
Nearby: Specify an area on the map by setting the device to a central point, which triggers an alarm once the device user enters or leaves the area
Play: Query the device's mobile path for the past 3 months anytime, anywhere
SOS：in an emergency, press the SOS button and the device will send calls and messages to help the guardian (press the power button for 4 seconds)
Walking: Calculate the steps the user has taken
Rewards: The rewards are sent through the application on the Guardian's mobile phone to see the reward progress
Sound: Using a high-sensitivity microphone, the sound around the device can be heard in real time in case an emergency occurs on the user
Remote shutdown: The device can be turned off via an application on the doorman's phone
Remote Restart: The device can be restarted through an application on the doorman's phone
intelligent energy saving: the device turns off/on within a specified time range GPS and loads data through the application on the guardian phone.
Map: Baidu map and Google map.
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