... Microsoft's WHQL certificationSupported operating systems: Windows 7/8, Android, Linux 4. Fourth, the product composition The product is ... used 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 ...