... :130°Contrase ratio350:1Video input format(analog) RGBConnectorVGA for video signalUSB for touchFrequency30~80KHz/60~75HzPower supplyExternal Power Supply:100 to ... carton size:440*360*310mmOperation systemWindows,Linux,Mac.Widely used for vehicle,Computer,POS,Kiosks etc.Trade Terms:Payment terms: ... for batch orders,to print logo and design box.Supply 7",8",10.4",12",15",17",19",22"touch screen lcd ...