... 4", 12.1", 15", 17", 19", 20", 21.5", 22", 24", 26", 32", 37", ... 40", 42", 46", 55", 65",70”,82” etc. 2. Optional touchscreen: 4-wire/5-wire Resistive,Infrared ... products cover industrial lcd monitor, open frame lcd monitor, touch monitor, commercial monitor, CCTV monitor, Panel PC, video wall ... TouchScreen TypeResistive(5-wire), SAW, IR ,CapacitiveTouchScreen interfaceSerial (RS232) or USB ...