Our regular size for Openframe touch monitor (inch) : 8 8.4 10.4 12.1 15 15.6 17 18.5 19 21.5 22 23.6 27 32 42 46 55 ; Key Characters of TFT LCD Touch Monitor : 8-55 inch Openframe /Desktop ELO TFT LCD Touch screen monitor; SAW / IR / Capacitive / Resistive touch screen; Metal-cased openframe; High resolution,16.7M colors; VESA 75mm and 100mm ; FCC,CE,RoHS; VGA , DVI ,HDMI input port; High contrast , high luminance; Wide viewing angle ,short respond time ; RS-232 and USB output interface; 1,2,4,6,10 touch points available; Support Windows XP / 7 / 8/ XPE / CE / Linux /Android system; IP 65 Waterproof,Dustproof, Vandalproof ; Anti-glare, Anti-shock , Anti-scratch; Product Catalogue: SAW / Infrared / Capacitive / Resistive Touchscreen ; SAW / Infrared / Capacitive / Resistive / Nano Foil  Touch Monitor; All in one touch computer; Indoor/Outdoor Advertising display board; Education All in one  Whieboard; Self-service Multi-media Kiosk;