Feature:1. [3.5in Capacitive Touch Screen] Adopts a 3.5 inch capacitive touch screen with a good human computer interaction interface and is extremely convenient to operate.2. [High Accuracy] With multiple electronic color cards, can quickly matching the closest color card number, the color card matching accuracy rate is greater than 90%.3. [QC Detection] 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 to facilitate color measurement for multiple needs.4. [Large Storage Space] Colorimeter with large storage space, which can store 1000 colors and 1000 color difference comparison records, so you can use it with confidence.5. [Long Period Calibration] Color meter built in compensation light paths, stable value, long period calibration, built in rechargeable lithium battery, and can continuously measure 10,000 times with a single full charge.Specification:Item Type: ColorimeterModel: LS173Material: ABSBattery: 1 x rechargeable lithium battery 3.7V 4000mAh (Battery Included)Application: Chroma sampling, color difference detection and comparisonLighting Method: D/8, including specular reflection light (SCI)Lighting Source: Full spectrum LED light sourceMeasuring Diameter: Approx. 8mm / 0.3inMeasurement Conditions: Light source D65, field of view 10Measurement Time: About 1sColor Spaces: CIE Lab, Luv, LCh, Yxy, CMYK, RGB, HexColor Difference Formulas: E x ab, E x uV, E x 94, E x cmc(2:1), E x cmc(1:1), E x 00Repeatability: Standard deviation E'ab, within 0.03 (Measurement conditions: After warm up correction, measure the average of 30 times of white board at 3s interval)Product Size: Approx. 86 x 62.5 x 158 mm / 3.4 x 2.5 x 6.2 inBattery Power: Rechargeable lithium battery 3.7V 4000mAh x 1, can measure 10000 times continuously after a single full chargeDisplay: 480 x 320 dot matrix IPS color screenSystem Language: Simplified Chinese, EnglishCharging Interface: USB (Type C)Data Interface: USBOperating Temperature Range: 0~45, 0~85%RH (non condensing)Storage Temperature Range: -25~55, 0~85%RH (non condensing)Storage Space: Color x 1000, color difference contrast x 1000Compensation Optical Paths: QC Quick Test: .Package List:1 x Colorimeter (Battery Included)1 x Data Line1 x Positioning Plate1 x Cleaning Cloth1 x Calibration Report1 x Manual