... interface, to the height of 128 points;RS232 and RS485 communication without the jumper, and also supports GSM ... 16, 1/8, 1/4, static routingControl card with search function , the screen parameter setting, scan settings, ... Port,USBWireless communication Support RF/GPRS/GSMTotal pixel 128KExtend interfaceTemperature sensor, test button, switchPlayerLED Player 3.2Software for LS-D3(LAN,USB,RS232 ...