... meter by way of TCP/IP,GPRS,CDMA,TELEPHONE,ETC automatically or by hand from faraway. Also, it can ... in given time, and will send out light or sound alarm3. Control from farawayThe service computer ... from far away, also can open or close big consume device, or regulatory and controlling of the consumption4. ... changersWhen users have not give money on time or operate against regulate, the system will send ...