Scanning Spectrophotometer, Double Beam, 1.8 nm Bandpass, Wavelength Range 190-1100 nm, LCD Screen, Programmable, 4-Position Cell Holder, Optical Glass Cuvettes, Quartz Cuvettes, USB Port, Parallel Port, Build-in Software Including: T/A/Conc, Stan (4) (2) — medical supply from Hart Medical.