Real-time data acquisition and display, data automatically record storage,automatic monitoring, alarm, remote ... ARM9 processor, the embedded Linux operating system and real-time database. Real-time data acquisition and display, data automatically record storage, clock synchronization, ... 4xDI, 2xDO, 5x232, 2x485, 2xLAN, 2xUSB;RTC: External RTC;Display: 3.5”TFT or 4.3”TFT (Option);Operation system ...