Location Based service also named A-GPS, when tracker in underground or tunnel , can get location by AGPS.Real time tracking it by cell phone and platform . Also can support get location every 5 seconds, and the GPS accuracy is 5m .Can check and replay within one year history of route of device , by web monitor centerCan hear the voice around the tracker by cell phone . Also support communication with the tracker by cell phone The device go into standby mode when there isn't vibration for 3 minutes , it will go into working mode when it feel vibration ​

TKSTAR PET GPS GSM/GPRS TRACKER MINI size, colorful, Lovely
very suit for your love dogs/cats, FREE Web tracking
APPLICATIONS FOR ANDROID/iOS, global security gps tracker TKSTAR for kid/pet/elder

Function of pet tracker TK909
1.Set/Delete master number
2.Set SOS number
3.Arm/Disarm
4.Oil on /Oil off
5.Set shake sensitive
6.Set move alarm /Shut move alarm
7.Move upload frequency/Rest upload frequency
8.Shut sleep mode
9.SOS alarm
10.Set Autoarm
11.Autodisarm
12.Set arm by external power/Disarm by external power
13.Set over speed/Shut over speed alarm
14.Shake alarm timespan
15.Listen and talk
16.Language:English language
17.Set monitor mode
18.Set positioning mode:
19.Vibrator alarm means shake alarm .Offline alarm
20.Set time zone:you can choose any time zone