l Multiple positioning modes: GPS + AGPS + Wifi + Beidou + LBS
l Global GSM+GPRS quad-band system: 850/900/1800/1900MHz.
l Positioning query: the user's specific position can be queried through cell phone or computer.
l Electronic Fence: Draw an area on the map with the device as the center, and alarm immediately when it is out of the area.
l Historical track: Check the track of the device within three months anytime, anywhere.
l SOS: In case of emergency, press the SOS button, then the guardian will send out a distress call and information.
l Contacts: add/view the supervisor number (SOS, dad, mom), whitelist/friends (50 in total) through the guardian's cell phone app.
l Two-way call: the address book numbers can call each other when they call.
l Find Device: Lost device can be found through cell phone APP
l Device Alarm Clock: set through the guardian's cell phone APP.
l Classroom anti-disturbance mode: set the do-not-disturb time range through the guardian's cell phone APP, and the device will
block incoming calls.
l Remote shutdown: through the guardian's cell phone APP can realize the device shutdown function
l Remote reboot: through the guardian's cell phone APP can realize the device reboot function.
l Intelligent power saving: turn off/on GPS and data upload within the time range.
l Mobile phone client / GZH / computer service platform, multiple control methods

Specification: