【Providing multiple sets of electronic color charts】： The device provides multiple sets of electronic color charts applicable for many industries (RAL, Pantone, NCS), can quickly match 3 closest serial numbers in the color charts with precision rate over 90%, keeping your hands free from carrying heavy color charts. 【Touch screen makes measurement convenient】： The device adopts a 3.5-inch IPS color capacity touch screen, no need to operate by pressing button. It offers smooth user operation experience and interactive interface, simple operation. 【High Precision】: Repeatability △E*ab≤0.03; 20mm measuring aperture; 1 second rapid detection, 2 steps to know the color difference, fast and easy. 【High Capacity】: Can store 1000 colors and 1000 colorimetric records, large storage space; built-in rechargeable lithium battery, can continuously measure 10,000 times when fully charged. 【Wide Application】: LS173-8mm measuring aperture is suitable for objects with high gloss or textured surfaces, such as: automotive spray paint, metal processing, ink printing, decorative materials, plastics, etc.;