... 3. waterproof, dustproof,scratchproof Infrared Touch Screen , IR touch screen panel ,IR add-on multi-touch screen ,Multi-Touch Infrared Touch screenFeaturesDust and ... resolution rate4096 * 4096 pixelResponse speed< 16 msScanning speed120 cycles/secondTransparency> 92%Intensity of touchOver 60,000,000 single point touchOperating Tem ... 2000/XP/Vista, Linux,CertificationsCCC, CE, ROHS 26inch touch screen