... system 2, touch screen customers take numbers software, 3, the Queuing background management Windows display(Can be customized) 4.8mmLED dot matrix ... module, single red, 16 dot matrix, resolution of 64 points × 16 points, ... Concentration display(Can be customized)5.0mmLED dot matrix module, single red, 16 dot matrix, resolution of 64 points × 16 points, ...