There is backup power systems for at least 4 hours when power is cut off from the battery and the system can also transmit data continuously. When using a backup power
A power reserve of at least four hours, when power is disconnected from the battery. And the system can also transmit data continuously. When using a backup power
Auxiliary power system for at least 4 hours. When the current is cut from the battery. And the system also can send data continuously. When the power reserve.