... Viewing Angle 7 segment led clock display Specification: Digit Size: 0.56"Material: GaAlAs/ GaAsEmitted Color: green Peak wavelength: 525 ... height:0.28 inch,0.3 inch,0.32 inch,0.36 inch,0.4 inch,0.5 inch,0.52 inch,0.56 inch,0.6 inch,0. ... 8 inch,1.0 ... 1.8 inch,2.3 inch,3.0 inch,4.0 inch,5.0 inch,8.0 inch. 2)Color:red,yellow,green ...