Function Authorization Single locating Auto track continuously Track with limited times upon time interval Track with unlimited times upon time interval Smart track upon time and distance interval Automatic update positions of vehicle turns GPS drift suppression Absolute street address by SMS Location based service (LBS) Monitor Data logging Data load Forward the third parties鈥 message Charges inquiry Low battery alarm Power off alarm GPS blind spot alert SOS Geo-fence Multi-area management Movement alarm Over speed alarm Accident alarm (optional) ACC working alarm Fuel alarm Cut off the oil and power system Arm Disarm Alarms under arm state Door alarm 3-aixs acceleration sensor ACC alarm Silent mode Alarm without GSM network service Check the vehicle state Reset hardware Sleep mode Terminal (local) time setting TCP/UDP switch Configure parameters by USB GPRS setting Less GPRS traffic Modes switch between SMS and GPRS Set up monitor center number Dimension 83*54*26mm weight: 120g Network GSM/GPRS Band 850/900/1800/1900Mhz sensitivity -159dBm accuracy 5m cold Start time 45s warm Start time 35s hot Start time 1s voltage 12-24V backup battery 3.7V500mAh Polymer Li-Battery Storage Temp -40掳C to +85掳C Operation Temp -20掳C to +65掳C Humidity 5%--95%