... 200 self-defined items16.Keyboard: membrane keyboard17.Display: 10.4” color LCD18.Printer: built-in thermal printer, paper width: 110mm19.Environmental ... , flowcell, temperature-control system, sample-filling system, printer, microcomputer system, color LCD, keyboard.Features:(1) Plane holographic diffraction grating as dispersive ... to send data to computer. Big Screen Semi-auto Biochemistry Analyzer