1.Introduction Device sensor exports Japan and information processing chip is from USA, which guarantee the optical signal transfer accuracy and electrical signal stability. 2.Ergonomic Design Instrument girth radian designs according to human palm so we could test data for a long time with it. Superior leather design increases the friction. 3.Free Color Management Software Real-time display of qualified or not, generate testing report, save the color data, suitable for the enterprise to evaluate color and control the color data. 4.Establish the Prototype Data L*a*b* by manually The standard samples can be manually set to meet the color difference test if there is no sample in hand. 5Service: 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.