Specification                                       Name: CS-10 Colorimeter              Voltage: AC 220V              Power supply: Plug-in or Battery (battery not included)              Illumination by light: 8 / d (8°illumination, diffuse reflection receiving); with mirror reflection light (SCI)              Measuring aperture: 8mm; can be customized 4mm measuring aperture              Observer angle: 10 °              Standard observation light source: D65              Repeatability: Chromaticity value: ΔE*ab 0.08 or less (after correction,              the average value of 30 times of measuring the whiteboard at an interval of 5s), maximum 0.1              Interstage difference: ΔE*ab 0.4 or less (average of 12 color plates measured by BCRA series II)              Color space: Lab, Lch, Yxy, RGB, color fastness, color change fastness              Color difference formula: ΔE*ab, ΔE*ch              Display content: chromaticity data, color difference data,               color difference graph, pass/fail judgment, color bias              Lighting source: LED              Measurement time: <1.5 seconds              Storage space: 1000 bars              Screen size: TFT true color 2.4 inch              Interface language: Chinese, English (switchable)              Operating temperature and humidity: 5~40& 8451;, 80% relative humidity (35& 8451;) or less without condensation              Storage temperature and humidity: -20 ~ 45& 8451;, 80% relative humidity (35& 8451;) or less without condensation              Interface: USB              Sensor: Silicon photodiode              Standard: CIE No.15, GB/T 3978              Power supply: 4×AA1.