Features:
GPS\/GSM station positioning.
SMS\/GPRS\/internet network data transfer.
Point-to-point， point to group， group-to-group monitoring.
Continuously auto track upon different time and distance intervals.
Absolute street address with GSM network.
SD card for data logging.
Support 9-36V， so it can be installed on Bus， taxi， truck ，personal car， business car etc.
Maximum 5 cell phone numbers are allowed to admin the tracker.
Other functions: SOS， Geo-fence， movement alarm， over speed alarm， accident alarm， voice monitoring etc.
Cut off the oil and power system.
The on-line web page tracking software has one month free trial， after that it is about 10USD per year.
Shock sensor and siren.
Note: the optional accessories are not include， to purchase them， please visit the specific links.

Specifications:
Network : GSM\/GPRS
Band: 850\/900\/1800\/1900Mhz
GSM\/GPRS module: SIM900B
GPS module: SIRF3 chip
GPS sensitivity: -159dBm
GPS accuracy: 5m
GPS start time:Cold status 45s，Warm status 35s，Hot status 1s
Voltage of car power system 12V ~ 24V
Backup battery.
Rechargeable and changeable 3.7V 800mAh Li-ion battery
Storage Temperature: -40 C to +85 C
Operation Temperature : -20 C to +65 C
Humidity: 5% ~ 95% non-condensing
Item size : 10.5 * 5.5 * 2.5cm
Item weight: 112g\/4oz
Package weight: 617g\/1.4Lbs

Item Includes:
1 x GPS Tracker
1 x Microphone (1.5 meters)
1 x GSM Antenna (3 meters)
1 x GPS Antenna (3 meters)
1 x Relay (12V\/40A to 24V\/40A according to vehicles)
1 x Harness (10 Pin)