1, Digital water meter, Class C 2, No rust or ... batteries 4, ISO 9001,14001,CE General IntroductionContactless IC Card Digital Water Meter is suitable for measuring the flow of ... meter and one IC card for consumer, consumer uses water by IC card. Only IC card can activate water meter ... .0KgMaterialstainless steelCompany ShowcaseProduction EquipmentThe Workshop Contactless IC Card Digital Water Meter