GPS/GPRS/GSM Vehicle Tracker with cut power and oil function

Specifications

Main Features:
1).Auto Report position.the limit time is 5 seconds.
2).Send the last location if it enters into the blind area.
3).Add or change Username and Password.
4).Monitoring and SOS feature.
5).Will send an alert of Geofence to the user when it breaches the restricted area.
6).Will send an alert of movement to the user when it begins to move.
7).Will send an overspeed alert to the user when the target moves exceed of the restricted speed.
8).Will send a low battery alert to the user if the battery is low.                                                    
9).Two sim card slot,you can exchange to use.                                                                     
10).There is SD solt,you can put sd card to store data if there is no gps signal.                                 
11).Cut engine function. 

Techinical Specification:
1).Dimension: 80*60*25mm
2).Weight: 100g
3).Network: GSM/GPRS
4).Band: 850/900/1800/1900Mhz
5).GSM sensitivity: Less than - 102dBm
6).GPS chip: SIRF3 chip
7).GPS sensitivity: -159dBm
8).GPS accuracy: 5M
9).Cold/Hot TTFF: 35/2s
10).Car charger: 12—24V input, 5V output
11).Battery Power: Chargeable changeable 3.7V DC 1100mA Li-lon Battery
12).Standby: About 48hours
13).Operation Temp: -10°C to +65°C
14).Storage Temp: -20°C to +70°C
15).Humidity: 5%--95% non-condensing