Specifications: Item Type: Smart Ratio Meter, Material: ABS Model: LS171 Battery: 1 x Rechargeable Lithium Battery 3.7V 700mAh (Built-in Battery) Purpose: Saturation Sampling, Color Difference Detection and Comparison Lighting Modes: D/8, Mirror Reflected Light (SCI) Included Light Source: Full Spectrum LED Light Source Measuring Diameter: Approx. 100 mm 8mm Measuring Conditions: Light Source: Light Source: Light Source: D65, Field of View 1 0° Measuring Time Approx. 1 second Color space: CIE Lab, Luv.LCh, Yxy, CMYK, RGB, Hex Color differentiation: △E x ab, △Euv, △E x 94, △E x cmc) 2:1), △E x cmc) 1:1) △E x 00 Reproductivity: Semi-deviation AE x ab, within 0.03) Measurement conditions: After warm-up correction whiteboard. on 3 seconds intervals 30 times measured average) 57 x 57 x 89.4mm / 2.2 x 2.2 x 3.5in Weight: Approx. 126g / 4.4oz Battery Capacity: Rechargeable lithium battery 3.7v and 700mAh, 10,000 continuous measurements on one full charge, Display: 128 x 64 Lattice Charging Interface: USB (Type c) Data Transfer: BT Operating Temperature Range: 0~45°C, 0-85% (NO condensation) Storage Temperature Range: -25°C , 0-85 % (condensation