10.1"(1024 x 600 pixels) TFT LCD 65536 colors.3 sets of COM ports, support RS232 / RS422 / RS485.For data transfer/download: RS232, USB, Ethernet.Supports USB Host, direct connection to USB disk, printer and mouse.Supports SD card.Supports Ethernet.Supports audio output (MP3, Wav files).Touch screen complies with IP65.Supports horizontal / vertical display.PC eiting software, DOPSoft is compatible with operating systems: Windows XP, Windows Vista, Windows 7.