■ Concave grating spectrophotometric ■ 3.5-inch TFT color LCD ■ D/8 geometrical optics, conforms with CIE No.15,ISO7724/1, ASTM E1164, DIN5033 ■ Use long life and low power consumption combined LED light source ■ Switchable 8mm/4mm aperture, support both SCI and SCE at the same time ■ Large storage capacity, over 20,000 measurement data ■ USB port and Bluetooth 4.0 ■ With software