... LCDLine frequency30KHZ–61KHZField frequency50HZ–75HZDisplay color16.7MResolution1980*1020Brightness250cd /square meterResponse time5msTouch screen part Touch screen Touch interface Operating Humidity20~80 percentOperating Temperature0 °C ... D-SUB, Audio : line inControl PanelPower, auto adjust, menu, up, down, On screen DisplayBrightness, The brightness, contrast, automatic adjustment, phase, clock, ...