... led display 660nm 1)rohs compliant 2)customized design ok 3)different size,factory direct 4)Wide Viewing Angle 16 segment led ... 0.8 inch,1.0 inch,1.2 inch,1.5 inch,1.8 inch,2.3 inch,3.0 inch, ... 0 inch. 2)Color:red,yellow,green,white,rgb 3)Forward current: 10mA/segment ;Maximum reverse current: ... for distance viewing,across-the -building status displays 3) Digital information,instrument,clock and toys,mark, ...