• Location query: the user's specific location can be queried via mobile phone or computer

• Electronic fence: delineate an area on the map with the device as the center, and alarm immediately when the area is out

• Historical trajectory: query the equipment running trajectory within three months, anywhere

• SOS for help: In case of emergency, press the SOS button to send a distress call and message to the guardian

• Address book: add/check supervision numbers (SOS, father, mother)/whitelist/friends (50 in total) through the guardian's mobile APP

• Two-way conversation: when the address book number comes in, you can talk to the user

• Find device: If the device is lost, the device can be found through the mobile APP

• Alarm: set through the guardian's mobile APP

• Class anti-disturbance mode: set the do not disturb time range through the guardian's mobile APP, and the device will block incoming calls

• Remote shutdown: the device shutdown function can be realized through the guardian's mobile APP

• Remote restart: the device restart function can be realized through the guardian's mobile APP

• Smart power saving: turn off/on GPS and data upload within the time frame

• Multiple control methods: Mobile client/computer service platform/GZH

Specification:

• Multiple positioning modes: GPS + AGPS + Wifi + Beidou + LBS

• Universal GSM+GPRS quad-band system: 850/900/1800/1900MHz

• Battery capacity: 5000mAh

• Product size: 80*45*30mm

• Standby time: 90 days

• Waterproof: IP67