... two,three,four and more other units.The alpha-numeric LED display which can reach from0.28''to 16'',one unit to ... .This collection is largely used in Aircondition LED display,Lamp Black LED display,Disinfector LED display,DVD/VCD LED display,Ammeter LED display and so on .We make and design ... .Such as Red,Kelly,Yellow,Green,Blue and Bicolor ect. LED Digital Display(LED Numerical Display),LED CHIP