1.Portable Whiteness Test Meter; 2.Warranty:ISO; 3.Payment:100%T/T in advance,Western Union,Paypal; 4.MOQ: 1 pc Portable Whiteness Meter AE-WSB-1 Characteristics:² Compact in size, novel in design & LCD display with suitcase package.² Succinct operation, suitable measurement range & higher performance.² Low daft, high accuracy, nice stability ensure long-time & stable running.² Unique positioning ...