1. Stable,no-excursion 2. Easy touch, unlimited for touch medium 3. High Light Transmission, up to 100% 4. durable and stable IR Touch Screen Technical Parameter Table Touch Resolution4096×4096Transparency> 90%, Up to 100%Scanning Speed>50Scans/SResponse Speed<12msTouch precision0.625mmMinimum Touch object>=5mmTouch IntensityOver 60,000,000 Single Point TouchOperation SystemDOS, WINDOWS9X/ME/2000 ...