... , the effect chart 3. Third, the basic characteristics Touch media: finger, pen and any opaque objectsUSB output resolution: ... 500mA6. Six, product features1-touch media used widely, any opaque objects can two touch; the touch material thickness increase with the ... touch area, self-assembly, commissioning ;5, support WIN7 / 8, Android2.3.6/4.0 7. Seven, structure size OTP Optical touch screen ...