ONE ROW, Red color Numerical Main Display
3 digits Queue No + 1 digit Counter No, 7 segment
(numerical) LED panel.
(Only numbers can be displayed, text and
graphical figures can not be shown.)
LED segments are in the form of uniformly illuminated bars.
Queue No may contain 3 numeric digits (up to 999),
with a max 8 Counter No capacity.
Internal ding-dong sound module,
illuminated arrow sign with a fixed direction,
Acrylic filter in front of displays,
metal outer case with sharp corners.