... 3.support multi-language LED CONTROL CARDLS-T0 LED control card SpecificationIndustrial PerformanceAdopt industrial Chips, low voltage to start, +5 ... /8, 1/4, static routing;Search function with control card, the screen parameters, scan settings for back to read ... VB, Delphi develop package, dynamic library DEMO and its source code;Buttons, switches, timing, GSM / GPRS wireless communications and other ...