Features: Adopt a 3.5-inch capacity for touch panel with human-machine interaction interface for convenient operation. Contains multiple electronic color charts, which can quickly match the closest color code with a color chart matching accuracy rate higher than 90%；the color difference threshold can be set and a variety of color difference formulas are optional. A variety of color spaces are available, suitable for various needs of color measurement. Can store 1000 colors and 1000 color comparison records with large storage space. The instrument has a built-in compensation optical for path with stable values, allowing long-period calibration；With built-in rechargeable lithium battery, the instrument can measure continuously for 10,000 times under full charge. Specifications: Material:ABS Size:20x20x12cm Measure color in 1s, Compare color difference in 2 steps. Free switching between Chinese and English,support An-droid/I-OS/for Windows. Built-in lithium battery,can be used continuously for 10000times under full charge. Lab/RGB/CMYK and other color spaces are optional,6 color difference formulas are optional. Widely used invarious industies,such as design,production and inspection. Package Includes: 1 pcs Colorimeter . note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!