PortaleStructure Design in line with Ergonomics,and easy-to-use Operation.English operating system Stable The excellent stability E*ab 0.03 Precison Precison measurement performance with core technological competence. More Measurement Modes Eight color difference fomulaes.Eight measuring standard light sources. Five disply modes Three measuring calibers to choose:4mm/8mm/16mm.Whiteness and Yellowness. Using High Capacity Li-ion Battery Li-ion battery will save cost and charge to ensure the stability of long time measureme, Manufacturer: MOOILKO