Product Description Water analyzer using a test kit for over 23 items ( COD, TN, TP etc ) Three kinds of types as customer's needs ( HS-1000COD, HS-1000CL, HS-1000CNP ) Completely portable system Semipermanent light source-LED Lamp Product Specification / Models ?Analytical Items : Over 23 item ( COD(Cr), COD(Mn), TN, TP, NH3, NO2, NO3,PO4 etc..) ?Display : 128x64 Dot, Graphic LCD ?Light source : LED(365, 405, 450, 525, 605, 880nm) ?Power : 100~240 V Free Voltage, 50/60Hz ?Battery : Li ion, 3.7V 850mA ?Dimension : 98(W) x202(D)...