Feature:1. [Human Computer Interaction Interface] Adopts a 3.5 inch capacitive touch screen, has a good human computer interaction interface, and is equipped with PC software, which has a strong color difference statistical analysis function, and can imports and exports instrument data at the same time.2. [High Accuracy] Contains multiple electronic color cards, quickly matching the closest color card number, the color card matching accuracy rate is greater than 90%.3. [QC Detection Function] With QC detection function, the color difference threshold can be set, a variety of color difference formulas are available, and a variety of color spaces are available, which is convenient for color measurement with multiple needs.4. [Large Storage Space] With large storage space, can store 1000 colors and 1000 color difference contrast records, can be connected to the mobile phone APP for use, and realize color sharing on the APP.5. [Long Period Calibration] Built in compensation light paths, stable value, allowing long period calibration. Built in rechargeable lithium battery, a single full charge can continuously measure 10,000 times.Specification:Item Type: ColorimeterModel: LS173BMaterial: ABSBattery: 1 x Rechargeable lithium battery 3.7V 4000mAh, a single full charge can continuously measure 10,000 times (Battery Included)Application: Chroma sampling, color difference detection and comparisonIllumination Mode: D/8, including specular reflection light (SCI)Lighting Source: full spectrum LED light sourceMeasuring Caliber: Approx. 8mm / 0.3inMeasurement Conditions: Light source D65, field of view 10°Measuring Time: About 1sColor Space: CIE Lab. Luv. LCh, Yxy. , RGB, HexColor Difference Formulas: △E x ab, △Euv, △E x 94, △E x cmc (2:1), △E x cmc (1:1)△E x 00Repeatability: Sandard deviation △E x ab, within 0.03 (measurement condition: after warm up correction, the average value of 30