Truopto 602mm 237 8 x 8 rgb dot matrix led displays truopto osl642372 argb a common cathode 125 square rgb led dot matrix with an 8 x 8 display the versatile colour display options and ic compatibility make this dot matrix display suitable for applications such as clocks counters signage etc truopto osl642372 argb 602mm237 8x8 rgb dot matrix display 10026090mcd cc