... Anti-riot, Vandal proof and other functions. 2. Touch screen resolution:4096*4096 Surface Hardness: Mohs' hardness rating of ... 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 card card reader 9,2-3 track ... ,plastic keyboard 16,Vandal-proof stainless steel keyboard 17,Bluetooth 18,GPRS 19,Coin acceptor 20,Cash ...