Real-time Tracking You will can real-time track the device on google maps via mobile phone, tablet and computer, and the minimum data upload interval is 10 seconds! GPS+AGPS+LBS ThreePositioning Ways 1.If the gps signal is good, the device will locate via gps satellite, ifthe GPSsignal is not good, then the device will locate via LBS!Under GPS locating mode, the accuracy is 5-10 meters,under LBS locating mode, the accuracy is 100-1000 meters! Remotely Voice Monitor 5.Send "Monitor+Password" to the device first, then the device will turn into monitor mode, now if you make call to the SIM number in the device,it will pick up your call automatically and you will can monitor the voice around the device! Waterproof The waterproof level of this device is IP65, it can resist splash water but can't be put under water! SOS Emergency Call The device has a humanized design SOS button allowing easier SOS call under emergency environment! Over-speed Alarm This alarm works only under continuous positioning mode.When the unit speed is exceed the speed you presetted, it will send message "speed alarm!" to the admin number every 5 minutes. Shake Alarm