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 NewMaterial: Metal Case Color: BlackNetwork: GSM/GPRSBand: 850/900/1800/1900MHZGPS Sensitivity: -159dBmGPS Accuracy: 5mCold status 45sGPS Start Time:Cold Status: 35sHot status: 1sVoltage: 12V inputBackup battery: Chargeable replaceable 3.7V 500mah Li-ion Polymer Li-batteryStorage Temperature: -40C-85COperation Temperature: -20C-65CHumidty: 5%-95% (non-condensing)Packing Size: 16.5 * 11.5 * 5.5cm/6.5 * 4.5 * 2.2inPackage Weight: Approx. 450g/15.9oz#Main Functions:1.Single Locating2.Auto track continuouslya. Track with limited times upon time intervalb. Track with unlimited times upon time intervalc. Smart track upon time and distance interval3.Turning points update automatically4.GPS drift suppression5.Exact street address6.Location based service (LBS)/Cell-ID Locating7.Monitor8.Data logging9.Data Load10.Forward the third parties' message11.SIM card Balance Inquiry12.ACC working alarm13.Cut off the Oil and Power System14.Function of Remote controller(Only for GPS103B) 15.Arma. Set up arm by SMSb. Set up arm by remote controller (only for GPS103B)16.Disarma. Disarm by SMSb. Disarm by remote controller (only for GPS103B)17.Silent Modea. Set up silent mode by SMSb. Set up silent mode by remote controller(only for GPS103B)18.Low Battery alarm19.Power Off alarm20.GPS Blind Spot alert21.SOS22.Geo-fence23.Multi-area management24.Movement alarm25.Over speed alarm26.Fuel alarm27.Alarms under Arm Statea.Door open alarm b.ACC alarmc.External Shock Sensor alarmOptional28.Alarm without GSM network service29. Calibration of fuel sensor30.Accident sensorOptionalWhen tracker detects accident occurred (severe impact), it will send " Accident! + latitude & longitude " to all authorized phone numbers.31.Sleep Mode32.Check the Vehicle State.33.Check IMEI34.Terminal (local) Time Setting35.Reset Hardware36.TCP/UDP switch37.Configure parameters by USB38.GPRS Setting39.Less GPRS traffic Package List:1 * GPS Tracker 1 * GPS Antenna1 * GSM Antenna1 * Microphone1 * 12V/40A Power Supply1 * Power Supply Wire Harness1 * English Manual