Scanning Spectrophotometer, Single Beam, 4 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, Standard CurveScanning Spectrophotometer, Single Beam, 4 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, Standard Curve, Kinetics, Multi wavelength Scanning and DNA Protein, Dust Cover, User Manual, 110 220V, 50 60Hz, Switchable, CE Certified, Preset at 110V