Automatic Calibration: This innovative color measurement tool features automatic calibration and supports connection with mobile devices, making color management more efficient with a measurement time of 1 second. 1.14 Inch Display Screen: The device can operate independently or connect to an app, allowing for direct reading of color values and displaying two color difference values: Δ E * ab and ΔE * CH.. Easy to Use: Simply place the base on a flat surface. The built-in calibration whiteboard, made from high-brightness and stable ceramic material, enhances the accuracy of the colorimeter. Application: This portable spectrocolorimeter is suitable for various industries, including plastic, paint, printing, packaging, automotive, textiles, food, and more, facilitating effective color matching and measurement. Service: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day.