TKSTAR lekemi TK905 User Manual page 12

Reply：sleep off ok
2.8 Time zone settings
The default factory setting for time zone is GMT 0, if it need to be changed to local time zone, send SMS
command below.
Command：timezone123456 local time zone
Reply：time ok!
E.g： timezone123456 +1
2.9 Reset Hardware
Command：begin123456
Reply：begin ok
E.g：
Explanation of parameters/codes in SMS message
Pic（1）
Pic 1: Replied real-time tracking information under GPS satellites signal.
 Lat:22.63952 lon:114.17122
Positioning of the latitude and longitude values.
 Spd: 002:
This refers to the device moving speed. The device is km/h.
 T:24/09/15 16:00
Real-tracking time, the Default is London time. You can set language and time zone in APP.
 Bat:100%:
The battery value is between 10% and 100%. Once it is less than 30%, it will send a low battery alarm.
 2015070203
Device IMEI No. to log in APP and platform.
 Google Link
This is the link to the Google map showing the position of the device.
timezone123456 -1
Pic（2）
Timezone123456 0