1．NarrowBand of Internet Things technology applied.
2．Low power consumption, lifispan of battery is more than 6 years.
3．Water meter transmits data on the regular time once a day（set on software platform）.
4．Water meter transmits data by manual activating out of the regular transmitting time.
5．Communication contents: accumulating amount of water consumed(for valve controlled and prepayment type also remaining balance) , voltage of battery,valve status(open or close),interfere by magnetic and it’s times, orders for opening or closing valve.
6．Cleaning valve for moving smoothly by closing and opening valve automatically once amonth or twice a month.
7．Antenna internal installed to protect from damaging.
8．For non-magnetic sensor type, water meter can distinguishes directions of water flowing, and metering amount of water consumed by plus or minus.