LED Bar Graph is a spcial light bar. At present, 10 segments 12 segments and 20 segments are the three normal types. They have rectangular shapes. Different emitting light colors and light intensities are available. LED bar graph can emit various colors too because of its internal circuit designs. Part No. Series: NFA-102510 NFA-1025101 NFA-R053007 and NFA-123010. Of course if you need special ones, you can contact us too.