Smallest GPS trackers for cars and personal with SOS panic button, long standby backup battery

Model Number: Gps trackers 102 Brand Name: Coban Key Specifications/Special Features: 5 tracking solutions:- SMS tracking by calling , return google map link- Absolute street address by SMS- Free software- Optional web server www.gpstrackerxy.com- free mobile app Main features:
1 ,Mini size, suitable for personal/motor/vehicle.
2. Waterproof + Magnetic Shell.
3. Real time google maps.
4. Can setup 5 authorized numbers
5. SOS panic button.
6. Geofence, movement/over speed/low battery/Shock alarm.
7. Built-in 1MB memory, support 8GB SD card.
8. Get absolute address with street name by SMS.
9. Track by mobile phone/computer/website platform.

New functions:
1.Internal 1MB memory, store 16,000 position info.
2.Support up to 8GB SD card.
3.Configure Parameters/GPRS via USB directly
4.Sleep Mode to save power
5.Forward the third parties' message
6.Checking sim card balance.
7.Setup monitor center number
8.TCP/UDP switch
9.Less GPRS traffic
10.GPS drift suppression

Technology parameter:
*Network: GSM/GPRS
*Band: 850/900/1800/1900MHz
*GPS sensitivity: -159dBm
*GPS accuracy: 5m
*Time to first fix: Cold status 45s, hot status 1s
*Battery: Rechargeable 3.7V 1000mAh Li-ion battery

Standard package content:
1 x GPS unit
2 x batteries
1 x AC adapter
1 x battery dock
1 x magnetic battery cover
1 x water proof bag
1 x user manual
1 X USB cable