... Network/phone interface,USB interface Materialmetal materialInfrared touch screenInfrared Touch Screen Infrared Touch Screen is the use of X, Y ... open, finger handwrite and or any opaque, Versatile touch object, Super transparency2. No drift, no light points, high durability ... 2000 \windows7\Vista\X86\LUNUX\Win77. Single-point touch, Multi-touch, hand gesture recognizable, drag, draw-line, rotate, ...