... waterproof, Dustproof, Anti-riot, Vandal proof and other functions.2. Touch screen resolution:4096*4096 Surface Hardness: Mohs' hardness rating of ... :2.5mm7. Scan rate: 50 scans/m8. Noise: NO9, Packing:Seaworthy packing: Polywood packing10, MONITOR:TFT,Brightness: 300cd/m2, ... shows:1,Size for TFT LCD2,Touch screen3,Infared touch screen4,Host computer5,Inner speaker6,Interface : USB 2.0, RJ-457,Dual ...