LEVI700EL has three serial ports, we can support RS232/RS422/RS485, 7 inch TFT LCD, 65536 colors, we can support main plc brands, such as Siemens, Mitsubishi, Omron, Delta, Fatek, etc, and also support MODBUS, MPI, PROFINET, BACKNET. it can be installed WINCE 5.0 on user's demand.