1) 6 detecting wavelengths 450-492-510-546-576-630mm 2) Test name and parameters pre-programmed 3) Analytical modes: end-point, absorbance 4) Large LCD. menu operation, hospital and patient information editing available 5) Inner thermal-sensitive printer. English comprehensive report available, including refer range 6) Memory for 10000 sample results 7) Few reagent needing, low detecting cost. 8) Open reagents