TK915 Magnetic Vehicle 2G GSM GPS Real Time Tracking Tracker About The Product TK915 magnetic vehicle GPS tracker working with GSM quan-band 85090018001900MHz sim card. The APP and platform both are free for lifetime to real time tracking for your vehicle. The APN and platform need to setup the APN command before,please do that when you use the device. Features 1. Long Standby Time: It has built-in 3.7V 10000mAh Li-ion battery, can standby up to 120 days. 2. Powerful Magnetic: It has 6pcs built-in magnets,with super strong powerful magnetic,can be very easily installed. 3. 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! 4. Over-speed Alarm: This alarm works only under continuous positioning mode.When the unit speed is exceed the speed you preset, it will send message "speed alarm!" to the admin number every 5 minutes. 5. Shake 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. 6. Sleep Mode: - 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. 7. History Route Playback: You can track the history route of the device up to 6 months via both the web platform and APP ! 8. Lifetime free WEB Tracking platform and Mobile APP AndroidIOS Tracking: no any yearly subscription