... touchscreen: 4-wire/5-wire Resistive, Infrared, SAW, Capacitive, with RS232, USB, touchscreen interface.3. Industrial monitor ... over China. Our products cover industrial lcd monitor, open frame lcd monitor, touch monitor, commercial monitor, CCTV monitor, ... (optional)TouchScreen TypeResistive(5-wire)Optional TouchScreen TypeResistive touch(4-wire), SAW, IR ,CapacitiveTouchScreen interfaceSerial (RS232 ...