Eview GPS/GSM Vehicle tracking system(EV-601):

How It Works:

A GPS vehicle tracking device is placed on your vehicle(s).  The device can be permanently installed and hidden from view.  Or, it could be a portable unit run off of an internal battery.  As the vehicle drives, the vehicle tracking system will transmit its position back to any cellphone via GSM network.

Features:
1, Tracking via SMS or GPRS.
2, Geo-fencing alarm.
3, Over speed alert.
4, Main power lost alert.
5, Low power alert.
6, Listen in function.
7, Auto track by time intervals.
8, Coordinates saving function.
9, Show your location on cell phone via picture.
10, With movement alert function.
11, Cut off engine/oil.
12, Customize user’s name display for better management.
13, Provide three trigger signal input to upgrade your original car alarm system.
14, With built-in lithium battery, can be charged by exterior 6 to 30V DC.
15, With built-in GSM/GPRS module and Sirf-star III GPS chipset.

Specifications:
GSM frequencies: 850/900/1800/1900MHz
GPS chip: SiRF Star III
GPS sensitivity: -154dBm
GPS accuracy: 5 to 10m
Time to first fix: Cold status 60s
Warm status: 40s
Hot status: 1s
Input voltage: 6 to 30V DC
Battery chargeable: 3.7V, 1300mAh
Standby time: 24 hours
Static current: 20mAh
Storage temperature: -40 to 85C
Operating temperature: -20 to85C
Humidity: 5 to 95 RH (non-condensing)
Mainframe dimensions: 106x22x 63mm
Weight: 250g.