Features: Used widely for vehicle and other moving objects tracking. Support both GPS & LBS (Location based service). Support SMS/GPRS/Internet Network data transmission. Support GPRS on-line and GPRS re-connected automatically if GPRS drops. Support SMS / GPRS dual-mode switching. Support configuration by remote terminal. Support for point-to-point, point to group, group-to-group monitoring. Set multiple functions of security, positioning, monitoring. Surveillance,emergency alarms and tracking in its entirety. Specification: Condition: 100% Brand New Material: Metal Case Color: Black Network: GSM/GPRS Band: 850/900/1800/1900MHZ GPS Sensitivity: -159dBm GPS Accuracy: 5m Cold status 45s GPS Start Time: Cold Status: 35s Hot status: 1s Voltage: 12V input Backup battery: Chargeable replaceable 3.7V 500mah Li-ion Polymer Li-battery Storage Temperature: -40°C-85°C Operation Temperature: -20°C-65°C Humidty: 5%-95% (non-condensing) Packing Size: 16.5 * 11.5 * 5.5cm/6.5 * 4.5 * 2.2in Package Weight: Approx. 450g/15.9oz #Main Functions: 1.Single Locating 2.Auto track continuously a. Track with limited times upon time interval b. Track with unlimited times upon time interval c. Smart track upon time and distance interval 3.Turning points update automatically 4.GPS drift suppression 5.Exact street address 6.Location based service (LBS)/Cell-ID Locating 7.Monitor 8.Data logging 9.Data Load 10.Forward the third parties' message 11.SIM card Balance Inquiry 12.ACC working alarm 13.Cut off the Oil and Power System 14.Function of Remote controller(Only for GPS103B) 15.Arm a. Set up arm by SMS b. Set up arm by remote controller (only for GPS103B) 16.Disarm a. Disarm by SMS b. Disarm by remote controller (only for GPS103B) 17.Silent Mode a. Set up silent mode by SMS b. Set up silent mode by remote controller(only for GPS103B) 18.Low Battery alarm 19.Power Off alarm 20.GPS Blind Spot alert 21.SOS 22.Geo-fence 23.Multi-area management 24.Movement alarm 25.Over speed alarm 26.Fuel alarm 27.Alarms under Arm State a.Door open alarm b.ACC alarm c.External Shock Sensor alarm（Optional） 28.Alarm without GSM network service 29. Calibration of fuel sensor 30.Accident sensor（Optional）When tracker detects accident occurred (severe impact), it will send " Accident! + latitude & longitude " to all authorized phone numbers. 31.Sleep Mode 32.Check the Vehicle State. 33.Check IMEI 34.Terminal (local) Time Setting 35.Reset Hardware 36.TCP/UDP switch 37.Configure parameters by USB 38.GPRS Setting 39.Less GPRS traffic Package List: 1 * GPS Tracker 1 * GPS Antenna 1 * GSM Antenna 1 * Microphone 1 * 12V/40A Power Supply 1 * Power Supply Wire Harness 1 * English Manual