... Specifications17-55" IR touch panel open frame monitors/touch screen lcd display open frame touch lcd display with IR / SAW touch screen,GOpen Frame LCD ... ) Resistive, Capacitive or SAW ,IR touch panel 4) USB and RS232 touch ports available 5) Space and power saving,anti-vandalism,overlong life time ... : Windows NT,XP,2000,98,Linux,Windows 7 19" IR touch screens open frame monitor