one digit led, called single digit LED seven segment display too. There are many popular size 0.39 inch, 0.56 inch, 2.3 inch, 4.0 inch, etc. bule and white color available. Our related part no is BL-S39A-11, BL-S56B-11G, BL-S230F-11S, BL-S400E-11UHR.