i-RamanĀ® Plus - Portable lab grade TE-cooled Raman spectrometer system with spectral range on 150 - 4200 (cm-1), featuring: Smart on-board data processing and true USB 3.0/2.0 interface port Laser excitation of 532nm or 785nm exiting FC/PC port SMA coupled detection covering up to 4200(cm-1) of Raman shift at a center resolution of around 4.0 (cm-1) (measured using a Pen Lamp) User-controllable laser power via software is included. The spectrometer includes an expansion port for use with the trigger-enabled probe for remote pacing of data collections. DC power input.