Smart Pet GPS Tracker Collar

Product Details: Multiple Positioning Mode: GPS+ AGPS+LBS+ Wifi Worldwide GSM+GPRS 4-frequency System: 850/900/1800/1900MHz Real-Time tracking: The user's specific location can be inquired through the cell phone APP or the computer Fence: Designate an area on the map by setting the device as the center point and the alarm will be triggered off immediately once the user of the device goes into or out of this area PlayBack: Inquire about the moving routes of the device in the past 3 months anytime and anywhere SOS: In case of emergency, press the SOS button and the device will send out the call and message for help to the guardian Find Device: The lost device can be found through the APP on the cell phone Remote Power-off: The device can be turned off through the APP on the guardian's cell phone Remote Restart: The device can be restarted through the APP on the guardian's cell phone Intelligent Power Saving: The device turns off/on the GPS and data upload in the time range specified thr