GSM Tracker

We are offering gsm tracker.
Gps vehicle tracker is a good locater and be used in guarding vehicle against theft, protecting child managing personnel and tracking criminals secretly.
advantages:
built in memory 1mb (16,000 positions) and optional 2 gb external sd card at most
powerful magnet+water proof,adsorbing in the hidden place of car
multiple tracking ways;provide monitor software with the global mapfree
support orientation without orientated server: it can find out real-time longitude and latitude, time and speed
can support platform when using platform, it can track targets in real time on electronic map, or inquire the target�s position by mobile phone
if the target you are inquiring enters into underground parking lot or other gps blind area, the tracker will inform you the last orientation
tracking function by timing and frequency
authorized number added and deleted function
support hidden alarm and monitor function
geo-fence: set up a geo-fence for the unit to restrict its movements within a district. The unit will send the message to the authorized numbers when it breaches the district
movement alert: you can set up barriers when the tracker is stopped. Once moved, it can give an alarm to the authorized number
specifications:
gps chip sirf3 chip
gps sensitivity -159 dbm
gps accuracy 5 m
time to first fix cold status 45 s,warm status 35 s,hot status 1 s
car charger 12-24v input, 5 v output
battery chargeable 3.7v 1000 mah li-ion battery