... characters, optional whether or not to add backlit.5. Digital tube disorderly sequence moduleKeyboard: sequence, point, random sequence, ... 9, amendments, remove 15 buttons; 0 ~ 9 is digital, pipe display.6. The disc rotating disorderly sequence moduleUnique rotating ... and optional PSAM card modules10. Non-contact IC module: meet the international standard non-contact IC module and optional PSAM card ...