1.ARC900 is the product which with multi-channels,complete functions, easy operation,
         high accuracy,low power but high performance.

      2.Standard Volume(96mm*96mm), 320*240 Pixels, TFT truecolor(LCD),4MB 
       memory installed inside, applied to long terms data record.

      3.Two points of Relay, one point of 4-20mA output and one point of 24VDC output