LED display controllers 1.support wireless GPRS,GSM,RF modem; 2.support temperature display; 3.support ... Program files can be copied , supportting programs to save and load the file.Detailed development documentVC, VB, Delphi ... *IO(HUB08),4*IO(HUB12)Communication modeRS232,RS485Wireless communicationSupport RF/GPRS/GSMTotal pixel64KExtend interfaceTemperature sensor, test button, switchPlayerLED ...