... Player 3.2 software ;50Pin extended interface, to the height of 128 points;RS232 and RS485 communication without the jumper ... library DEMO and source code;Buttons, switches, timing, GSM / GPRS wireless communications and other typical applications;16,32 ... Support RF/GPRS/GSMTotal pixel 128KExtend interfaceTemperature sensor, test button, switchPlayerLED Player 3.2Software for LS-D3(LAN,USB,RS232) ...