... 7 segment led display 1)rohs compliant 2)customized design ok 3)different size,factory direct 4)Wide Viewing Angle large 7 ... inch,5.0 inch,8.0 inch. 2)Color:red,yellow,green,white,rgb 3)Forward current ... ;Maximum reverse current:100mA 4)wavelength: red:650-700nm;yellow:585-600nm;blue:460-475nm ... meters, 2)Large size displays for distance viewing,across-the -building status displays 3) Digital information, ...