... 2.Withstands severe environments 3.Stable, no-drift etc. ETWOTOUCH 6 points 32 inch IR multitouch screen ETwotouch and Etwo company ... touch pressure --ISO 9001:2000/CE,FCC,ROHS --Size(32”-200”),Maxlength:90 meter,customation is available) --Rapid response speed --High ... mode:USB --System:windows 7,vista,XP,Mac OS,Linux 6 points 32 inch IR multi touch screen overlay No drift ...