Place of Origin
Guangdong, China
Communication
two way communication
Position
real time position
tracking
real time tracking by GPS or LBS
GEO fence
the radius is from 100 meter to 5KM
emergency numbers
set up three emergency number
Calling function
by pressing SOS to call the main monitor people
postion upload interval
30 seconds ,10 minutes, 1 hour
battery
low battery alert
