... or C * Made of PPO * LCD display * Vertical installation METER FUNCTION:* Prepaid water meter, one meter accepts one user card only, blocking ... is available * Inquiring, statistics, Refund, Re-issuing card, replacing meter * Low credit alarm, Low battery alarmAdvantage: * Made of ... magnet. * Patented ball valve which has high-temperature resistance, costs low consumption and causes low pressure loss