... software OSWindow 2007, 2008, XP, Linx etcPC SystemIntel E5700 dual core 3.0GHz CPU, 2G RAM, DDR 320GWarranty1yearsTang Hftouch Multi touch ... accuracy< 2mmResponse Object Size over Ø3.0mm, recommended size:Ø5.0mmCursor Speed 180 d/s aroundlifetime11years, above 60000000 single dot ... Large size LED IR multi touch screen smart white board tv / IBW (all in on pc tv) slim with usb, wifi optional