Detailed Product Description 15.23mm LED display,led sign,led panel,led moving signSingle line semi-outdoor ,Amber/Red-color LED Moving SignCommunication types:USB connection (PC USB to RS232 adapter cable)Character:10, 4"charactersPH: 15.23 mmMatrix area: 7×80 pixelsPixel color:Green/BlueMemory capacity: up to 7,000 charactersDisplay modes:24 display/transition methodsBrightness: up to 120NIT. ...