... Class B Made of Brass LCD and Dry-Dial display Horizontal installation METER FUNCTION:1- Prepaid water meter, one ... card only, blocking illegal cards2- One price/ multi price of water is available 3- Inquiring, statistics, Refund, Re-issuing card ... card, this meter is all-sealed and good at water proof. 2- Safely data save, 10 years data ... low consumption and causes low pressure loss Prepaid water meter