The New Generation: This GPS tracker is the second generation of TK905, with larger battery capacity 10,000mAh and longer standby time up to 150 days. Wide use: Track the location of lost vehicles (rental car, truck, motorcycle, freezer, boat, etc.) Features: Power saving standby, Speeding alert, Geo-Fence, real-time tracking, shock alarm. Vibration alarm function, After the car stops for five minutes, If the car restart, the tracker will send SMS alert to your mobile phone.Geofence function, Set zone, when the car enter and leave the zone, it will send alert message to your mobile phone. No Installation Needed: Easy attachment to any iron surface with a strong magnet, even in the car just a second. Precise positioning: GSM / GPS dual positioning mode, positioning accuracy up to 5 meters. If you have any problem, contact us.Real Time Tracking Accurate Magnetic Position GPS Tracker Smart Energy Saving Vehicle How does it work?Whenever you want to locate the tracker all you have to do is call the SIM phone number or send a text message. Once connected the device will send you an SMS text message with a Google Maps link. If you want online tracking, then you just need to turn on GPRS and set APN, then connect APP / Web platform.Size: 90 x 72 x 32 mmWeight: 235gBlack colorNetwork: GSM / GPRSGPS sensitivity: -159dBmGPS accuracy: 5mInput: 5V-1AExit: 110-220Battery: 3.7V 10000mAh Lithium rechargeable batteryStandby time: 150 days (Low power state)This device just can work with 2G GSM network, and this item will not include the Sim Card, please purchase it from your local.