LED / 7 Segment Display Single Digit 0.3 0.32 0.36 0.39 0.4 0.43 0.5 0.52 0.56 0.6 0.8 1.0 1.2 1.5 1.8 2.3 3.0 4.0 Dual Digit 0.3" 0.36" 0.4" 0.43" 0.5" 0.56" 0.8" Tripple Digit 0.36" 0.39" 0.4" 0.5" 0.56" Quadruple Digit 0.36" 0.52" 0.56" Clock DOT MATRIX 5*7 dot (0.7") 5*7 dot (1.2") 5*7 dot (1.4") 5*8 dot (1.4") 5*8 dot (2.3") 8*8 dot (1.2") 8*8 dot (1.9") 8*8 dot (2.0") 8*8 dot (2.3")