Tracker Bee, as part of the UMEOX security series, focuses on-location services. With a 42mm tiny body, this 4G portable GPS tracker is currently the world's longest-running locator. Built-in AGPS+LBS+GPS+WiFi+BDS/GLONASS multiple positioning methods greatly improve anti-interference ability and provides more accurate positioning. Combined with 4G networking and a customized App on the phone, our smart GPS device can give you a real-time view of the location of children, elderly people, cars, luggage and bags at any time. Meanwhile, this kids smart anti-lost GPS tracker also has the one-click SOS function, which can send emergency reminder and real-time location information to relevant contacts in case of emergency. Keep Safe, Keep Close.