... color 1.with COM,USB,LAN ports ; 2.with 2cpu and FPGA; 3.support any lanuage ; led display control card color LS-D3 ... Cluster Mass-sending System; led display control card color LS-D3(ALL) parameters Item No.LS-D3(LAN,USB,RS232)RangeSingle color 2048 ... sensor, test button, switchPlayerLED Player 3.2Wireless LED Display Board Controller Software for LS-D3(LAN,USB,RS232) Edit static text, single-line ...