Functions: 1. GPS+LBS Dual Positioning Ways: If the gps signal is good, the device will locate via gps satellite, if not, 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 2. Realtime Tracking: You will can realtime track the device on google maps via mobilephone, tablet and computer, and the minumum data upload interval is 10 seconds 3. History Route Playback: The APP and web server can record the upload data of the device up to 6 months, you will can playback the history route at any time 4. Long Standby Time: It has built-in 3.7V 5000mAh Li-ion battery, can standby up to 90 days. 5. Powerful Magnetic: It has 5pcs built-in magnets,with super strong powerful magnetic,can be very easily installed. 6. Waterproof IP65: The waterproof level of this device is IP65, it can resist splash water but can't be put under water 7. Remotely Voice Monitor: 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 8. Overspeed 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. 9. Shock/Vibration Alarm: After you did the shake alarm setting,please keep the tracker being stationary for 5 minutes, then this function will start working. It will send SMS 'sensor alarm ' to the admin number when the unit get shocked. 10. Movement Alarm: When the units stays immobile in a place for 10 minutes, the user can set up the movement alarm by this command 'move+passord', then in case the device moved 500m it will send alarm SMS 'Move Alarm+Latitude and longitude' to the authorized number. 11. Geo-fence: Set up a geofence for the tracker to restrict its movements within a district. The unit will send alarm information to APP and web server when it goes out of or get in this district. 12. Sleep Mode for Saving Battery: * Sleep by time mode: After did this setting, tracker will only work for 5 minutes after being waked up, and back to sleep mode, GPS will shut off and GSM will works in low consumption mode. SMS, call will can wake up the tracker. * Sleep by shock sensor mode: After did this setting, if no shock for 5 minutes, the tracker will work under 'sleep by shock' mode, GPS will shut off, GSM will works in low consumption. Vibration, SMS, call will can wake up the tracker. 13. GPS Data Saving: once the device lost GSM and GPRS signal, the GPS data will be saved in its built-in memory, 200pcs data can be saved at the most; 14. Web Tracking Platform and Mobile APP: LIFETIME FREE Web server and both iOS and Android version APP are available Specification: Size: 90mm x 72mm x 22mm (3.54' x 2.83' x 0.87'). Weight: 168g. Network: 2G GSM/GPRS. Band: 850/900/1800/1900Mhz. GPS chipset: u-blox UBX-G7020. GPS sensitivity: -159dBm. GPS accuracy: 5m. Wall charger: 110-220V input 5V-1A output. Battery: Chargeable 3.7V 5000mAh Li-ion battery. Standby time: 90days. Storage Temp.: -40??C to +85??C. Operation Temp.: -20??C to +55??C. Humidity: 5%-95% non-condensing.