... x RS232 serialUSB Port4 x 2.0 USB, In addition,optional USB Hub with 4 ports outputEthernet 100 ... to 75°OSD ControlBrightness, Contrast Ratio, Auto-adjust, Phase, Clock, H/V Location, Languages, Function, ResetTouch screen TypeKeetouch 17 ... voltage/current: 19 V at3.42 AMonitor:Internal brick in base; Input (line) voltage: 100-240 VAC, ... LCD panel and computer system configure All-in-one Touch computer