S.O.S (Urgent warning).
Preinstall three group of urgent telephone conversation number telephone conversation function.
The time cut-out GPS mold train, realizes the province electric work energy.
The built-in vibration sensor (G-sensor), not move when the automatic province electric work energy.
When low electric quantity automatically by short note caution function.
You can turn on the network, monitors the function by the PC.
You can use SMS, GPRS, PC three ways updated parameter.
Starting automatic segment function.