Protein in Serum 0-12gdUrine specific Gravity 1.000-1.080Refractive Index nD1.3330-1.3600Accuracy Protein in serum 0.1gdUrine specific gravity 0.001Refractive index 0.0002Sample Volume Only one dropDimension 85(W) X 205(D) X 190(H)mmWeight 1.25kgPower Supply Battery (AA type, 3pcs.)