... . Second, the effect chart 3. Third, the basic characteristics Touch media: finger, pen and any opaque objectsUSB output resolution: 32767x32767USB ... is composed of three high-speed cameras, four groups (n = two) 850 infrared lights, four light guide bar, data cable and ... touch area, self-assembly, commissioning ;5, support WIN7 / 8, Android2.3.6/4.0 7. Seven, structure size OTP Optical touch screen ...