How does GPRS wireless remote water meter read?

GPRS Wireless Water Meter belong to high-tech smart water meter, using of advanced wireless transmission technology. It transmission metered information of conventional mechanical water meter to Cloud server via GPRS. Automatically read the metering data via wireless remote network and control the close / open of the valve, and is also able to transfer the  data to the back-offifice system (data center) after reading the meters  by wireless handset reader.