... different size,factory price high quality red single seven-segment led display Specification:Display Height (inch)0.28"Number ... red,yellow,green,white,rgb 3)Forward current: 10mA/segment ;Maximum reverse current:100mA 4)wavelength: red:650- ... 1)don't touch the surface of the led segment displays by hand 2)When applying the displays,please ... -static well. high quality red single seven-segment led display