vehicle gps tracker

Vehicle GPS Tracker Preview: Four-Band GSM 850/900/1800/1900 SMS/GPRS communication channelsBe compatible with Web-based tracking software 800S. SMS function: Position Report Function and Tracking Function.Time interval setting.Remote Oil/Electricity controlling Over-speed AlarmGeo-fence AlarmSOS Alarm.Listen to the voice surrounding vehicles (900C device is with built-in microphone).GPRS function:Real time position and tracking on web-based platformTime interval settingOver-speed and ACC alarm.Track replay: Replay history trace on web-based platform Remote Oil/Electricity controllingInput for door open/close alarm sensorListen to the voice surrounding vehicles (900C device is with built-in microphone). Internal flash memory: 2MB flash card, for storing the location data when GPRS is unavailable.Main power on/off alarm. GPS/GPRS Specification: SOS Button: Driver can press SOS button for emergency General: L1 1575.42MHz, C/A code, 20 Parallel Channels Sensitivity: -143 dBm minimumAccuracy Position: 10m CEP without S/A Velocity: 0.1 m/sec without S/A WAAS Accuracy Position: 5m CEP Velocity: 0.05m/sec Acquisition :( 1) Cold start: < 60sec average(2)Warm start: < 45sec average(3)Hot start: < 15sec average Antenna: External GSM and GPS Antenna Dimensions: 111.0mm*67.0mm*24.0mm Power Specification: Backup Battery: Built-in Rechargeable Battery Power Voltage: DC 9V-55VEnvironmental Specification: Operation Temperature: -20ºC to +70ºC Storage Temperature:-30ºC to +85ºC Operating Humidity: 5% to 95% Package Detail: Product Size: 111.0mm*67.0mm*24.0mm Gift box size: 21*12.5*6mm Weight: 1KG