Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : HOJILA BulletPoint1 : Built-in white plate parameters. No need to calibrate each time which realize rapid measurement BulletPoint2 : Illuminating Locating, Cross Locating, Large Stable End Face, Small Concave-Convex End Face BulletPoint3 : New Integrating Sphere Optical Path Design: Eliminating the stray light of main optical path and auxiliary optical path. Possessing the highest measurement stability and precision BulletPoint4 : Equipped with rechargeable high-capacity Li-ion battery. No need to purchase battery repeatedly BulletPoint5 : Configure CQCS3 software. Connect PC computer to realize more functions BulletPoint6 : Having got SCM Metrological Certification, CE Certification, and ISO9001 Quality Management System Certification Color : Professional Edition ExternallyAssignedProductIdentifier : 7509105125050 IncludedComponents : Colorimeter ItemName : HOJILA Colorimeter Color Meter Handheld Portable Color Analyzer with PC Software, 4mm Measuring Aperture ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-colorimeters Manufacturer : HOJILA Material : Plastic MeasurementAccuracy : 0.01 ModelName : 32799321443 ModelNumber : NR110 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumIonCells : 1 PartNumber : NR110 ProductDescription : Specifications Illuminating/Viewing Geometry : 8/d Measuring Aperture: Φ4mm Detector: Silicon photoelectric diode Locating: Illuminating Locating/Cross Locating Measurement End Face: Large stable end-face and small concave-convex end-face Color Space: CIEL*a*b*C*h* CIEL*a*b* CIEXYZ Color Difference Formula: △E*ab △L*a*b* △E*C*h* Light Source: D65 Light Source Device: LED blue light excitation Errors Between Each Equipment: ≤0.80ΔE*ab Storage: 100pcs standards 20000pcs samples Repeatability: Standard deviation within ΔE*ab 0.08(Average of 30 measurements of standard white plate) Language: English Weight: 450g Dimension: 205×67×80 mm Power source: Rechargeable lithium-ion battery 3.7V@3200mAh Lamp Life: 5 years, more than 1.6 million measurements Charging Time: 8 hours--100% electricity PC Software: CQCS3 Software