Mobile APP support: Android and apple.

Language: English, Spanish, Portuguese, simplified Chinese, German, Turkish, Vietnamese, Russian, French.

SOS call for help function: press the "SOS" button for 3 seconds, the smart meter will automatically dial the reserved SOS call for help.

Electronic fence: take the device as the center, map out an area, send out the area immediately, APP and short message alarm.

Historical trajectory: anytime, anywhere inquiries, three months running trajectory.

Time display: base station location, no manual adjustment time.

Two way communication function: parents can call their children, children can also call parents (press the "1" button, 3 seconds, dial the reservation number, press the "2" button, 3 seconds to dial second predetermined number).

Classes disabled: parents can set up classes on the APP, no calls, effectively prevent children from playing watches in class.

Other functions: love rewards, equipment alarm, base station real-time positioning, looking for watches, remote shutdown, telephone book, voice intercom, voice monitoring.