Bars consists of three black bars and two white bars; two bars in them are wide bar (and others are narrow).
For its apperance, looks like three black bars makes one character, it has higher density than other barcode symbols.
|* Character Set||Numeric|
|* Code type||Discrete|
|* Length of symbol||variable|
|* Self Check||Yes|
|* Character Density||about 2.6 chars/cm|
List of Barcode Types