... , Dustproof, Anti-riot, Vandal proof and other functions. 2. Touch screen resolution:4096*4096 Surface Hardness: Mohs' hardness ... 5. Static protection: Meet EN6100 standard. 6. Mini touch point:2.5mm 7. Scan rate: 50 scans/m 8. Noise: ... as follow shows: 1,Size for TFT LCD 2,Touch screen 3,Infared touch screen 4,Host computer ... 5,Inner speaker 6,Interface : USB 2.0, RJ-45 7,Dual screen 8,RF ...