．Precise measure forward＆reverse energy

．Good linearity, broad dynamic operation range

．Anti-running with no load, anti-electricity-steal function＆reverse warning inication

．Adopting carrier communication module, setting meter number by carrier

．High accuracy, anti-high frequency & interference pulse ,etc feature

．Prepaid function＆power-off function when users are in default of money

．Very good electromagnetism compatibility

．Infrared meter reading function