Feature:GSM quad-band frequency Real time tracking by SMS/GPRSLow battery alarm Geo-fence alarm Add Smart sleep save power Mode Add GPX history route record, can thereal-time view in Google map Add AGPS function, receive GPS signals faster Built-in battery 800m Ah IP66WATERPROOF & dust proof Specification: Network GSM/ GPRSBand 850/ 900/ 1800/ 1900 Mhz GSM Chip MT6261DGPS Chip Ublox 7020GPS Sensitivity-159d Bm GPS Accuracy 5m Time to first fix Cold status 45s Warm status 35s Hot status 1s Work voltage 5VBattery Chargeable 3.7 V Storage Temp.-40℃ to 85℃ Operation Temp.-20℃ to 55℃ Humidity 5%-95% non-condonsing Dimension 60*34*19mm Weight 40g Real-time tracking by APP or websit (See user manual) Support Andriod IOS APP tracking Support Websit tracking Package Included:1 XTK200 GPS Tracker