| 摘要 |
A self-contained apparatus to transmit water flow data from a water meter to a receiver, the apparatus comprising a body, a sensor adapted to sense water flow data obtained by the water meter, a circuit board containing a microcontroller connected to the sensor and to provide water flow data, and a transmitter to transmit the data to a remote receiver. LII _+1 E~l ~co~ 0ii C L) -I' |
