*High brightness 0.56" LED display: -199999~999999.
*Flow unit selectable: Liter / Gal / C.C. / m3.
*K factor programmable for pulse output per liter.
*N / R / C relay output mode selectable.
*2~4 alarms output programmable (Hi or Lo) / Analog output (16 bit resolution) /
  RS-485 communication optional (The above option can exist together).
*Reset / Pause count by external control terminal available.
*High stability, non-flammable case (PC), high safety.