1) LED numeric & alphanumeric displays for indoor,semi-outdoor and outdoor application. 2) Digit height: from 0.28" to 20" (0.28", 0.3", 0.36", 0.39",0.4",0.5",0.52", 0.56",0.8", 1.0", 1.2", 1.5", 1.8", 2.3", 3.0", 4.0", 5.0", 8.0", 10", 12", 16", 20".) 3) 1-digit, 2-digits, 3-digits, 4-digits, 6-digits available with black or grey face. 4) Various emitting colors: red(640nm),yellow green (572nm),pure green(525nm),yellow(590nm),blue(430nm), pure blue(470nm). 5) Advantages: long life, low voltage, energy saving, even luminance, good stability and uniformity . 6) Applications: elevator/lift, bank exchange rate display,led clock display, led oil price display for gas satation and other different display areas of equipment/machine. 7) Customized requirements can be meet.