Advanced MK350S the 1st handheld Spectrometer cross to muti-industrials. It had more than 40 light measurement units which are CCT, LUX, CRI, CIE1976, CIE1931,PPF, CQS, Duv, LambdaP, S/P ratio, TLCI, GAI… No matter for RD lighting designers, lighting manufactory and quality control, interior light designers, horticulture measurement, cinematographer and health prevention…and so on.MK350S is designed to meet the needs of all users.