Specifications Ref.: 54211020 Digital adjustment of wavelength Wavelength range: 325-1000 nm Band width: 4 nm Reading: absorbance, transmittance and concentration (standard curve and coefficient methods) Compartment for 4 cells of 10 mm (external exchanger) Includes 4 glass cells, 10 mm pathlength USB and parallel ports Software MWave Basic included Compatible with software MWave Professional (not included) Manual power switch 110V/220V