pre-pg游戏麻将胡了

series:pre-paid smart meter

click:1417

1) rf card technology, user convenience
2) external battery, easy to replace
3) attack prevention design, anti-magnetic, anti-vibration
4) automatic charge: prepaid mode, that after the first to buy water water; after the charge mode is paid after the first water
5) make cards, recycling transfer function: a user card to purchase water only once with the corresponding water meter successful transaction, if the card is lost,
you can make cards according to the software database management, water loss, or not repeated. when the meter needs to be replaced,
the recovered transfer card is inserted into the table, the table data is read out, insert a new table, the old table information into a new table.
6) mechanical and electronic display modes: rf card meter mechanical meter retains the character wheel and pointer display, while increasing the lcd.
even when the electronic part of the failure to be cumulative amount of water according to the display reads mechanical word round.



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