Counter Display Model: DS-566-STN Numerical, Economy model Counter Display (Dot-segments) 3 digits Queue No + 1½ digits Counter No, numerical (7-segment) LED display panel in red color. Segments are in the form of dotted line, not uniform rods. Outer case has a flat shape with soft corners. Max number of counters supported by this display: 16. Max number of counters supported by this display is limited to 16.