... AU LCD HDMI,USB,VGA PC&TV switch Touch screen Touch size (mm)1458*828TechnologyInfraredTouch pointMulti-touch, enable two fingers write and touchInfrared touch4096X4096Response ... opaque objectTouch timesUnlimitedInterfaceUSBLinearity error1.5mmSupport systemWin XP (single touch), Win 7 32&64 bit (multi touch) LCDSize65"BrandAuResolution1920x1080, maximum 1080PFormat16 : 9Viewing angle178° ...