1,Interactive touchscreen kiosk with metal keyboard 2,17",19" SAW touchscreen 3,TFT LCD 4,FCC& ... Hardness: 7 Mohs scale- Lifetime:50,000,000 times at one single location- Response time: less than 16 ms- Touch activation ... ~100gEnclosure- Durable steel enclosure (different colors for option)- Built-in power control panel, and hi-fi speakers.- Two cooling fans for computer board ...