ONDA TOUCH UV-31 SCAN Spectrophotometer, TOUCH SCREEN color display, range 190 - 1100 nm, bandwidth 2 nm, single beam, flash memory USB port, multilanguage OS. Functions: photometric, quantitation, SPECTRUM scan, file management. Including 4 optical glass cells, 2 quarz cells, 10mm 4-cell holder, power cable, dust cover, USB flash drive and Calibration Report