... electricity meter 2,Double display,digital wheel watt meter 3,Low energy consumption 4,CE,ISO14001,9001 5.OEM General IntroductionThree Phrase Prepaid Electricity Meter ... energy consumption and easy to install.One meter with one IC card for one consumer, ... meter can be kept for 10 years when there is no power.4. Display: double display, digital ... -ROHM Corp. (JAPAN) Three-Phrase Prepaid Electricity Meter