... value is 40pf / mGlass (non-standard)steel processing, thickness 3mm/4mmResponse time <10msTouch resolution 32767 x 32767Minimum recognition ... widely, any opaque objects can two touch; the touch material thickness increase with the product size increases, the maximum ... touch area, self-assembly, commissioning ;5, support WIN7 / 8, Android2.3.6/4.0 7. Seven, structure size OTP Optical touch screen ...