Portable Rechargeable Colorimeter Chromometer Handheld Spectrophotometer Color Meter Auto Calibration Color Difference Tester Color Measuring Instrument 6mm and 11mm Test Aperture IPS Touchscreen Specifications: Material: ABS Measurement Area/ Aperture Size: MAV: φ11mm+SAV:6 φmm GeoMetry and Angle: d/8 (diffused illumination, 8 degree viewing)                                   SCI (specular component included) Standards Compliant: Conform to standard CIE No. 15, GB/T 3978, GB 2                                  GB/T 18833, IS07724-1, ASTM E1164, DIN5033 Teil7 Spectroscopic Method: Integrated optical component Sensor: CMOS sensor Color Value: Reflectance   CIE-Lab,CIE-LCh,HunterLab,CIE-Luv,XYZ,Yxy,RGB   ColorDifference(ΔE*ab,ΔE*cmc,ΔE*94,ΔE*00)   WI(ASTM E313-00,ASTM E313-73,CIE/ISO   AATCC,Hunter,TaubeBerger,Stensby,R457),YI(ASTM D1925   ASTM E313-00,ASTM E313-73),Blackness(My,dM),Color Fastness   Tint(ASTM E313-00),Color Density(CMYK(A,T,E,M)),Milm   Munsell,Opacity,ColorStrength Integrating Sphere Diameter: 40mm Lighting Source: LED (Full band balanced LED light source) Wavelength Interval: 10nm Wavelength Range: 400-700nm Reflectance Measurement Range: 200% Reflectance Resolution: 0.01% Measurement Accuracy: 0.01 Repeatability: △E*ab ≤0.03 Measurement Time: About 1S Interface: USB, BT Illuminants: A,B,C,D50,D55,D65,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,CWF,U30,U35,DLF,NBF,TL83,TL84,ID50,ID65,LED-B1,LED-B2,LED-B3,LED-B4,LED-B5,LED-BH1,LED-RGB1,LED-V1,LED-V2 Observer Angle: 2°, 10° Screen: IPS full color screen, 2.4 inches Battery: Rechargeable, 8,000 times continuous tests, 3.7V/3000mAh Light Source Lifetime: 10 years, 1 million tests Language: Chinese, English Calibration: Automatic Software support: for Android/for iOS/for Wins/for WeChat applet Pass Metrology: Yes Camera: Yes Storage: App mass storage Built-in Battery: 3.7V 3000mAh li battery Base Size: 90 * 72 * 50mm / 3.54 * 2.83 * 1.97in Item Size (without base): 185 * 75 * 52mm / 7.28 * 2.95 * 2.05in Item Weight(with base): 371g / 0.82lb