why interactive touch screen.3 , the touch screen film surface is the touch surface, that is, the front of the product ; the glass surface is the non-touch surface, that is, the back of the product

why interactive touch screen.3 , the touch screen film surface is the touch surface, that is, the front of the product ; the glass surface is the non-touch surface, that is, the back of the product IQTouch K interactive touch screen feature 20-point touch and dual system -- Android 8.0 system and optional OPS Windows 10Pro system. Its 4K UHD resolution facilitates presentations and collaboration. With optional multi-screen casting software, IQClass 6.0 and installation-free IQClass Plus software, IQTouch K Series can help create an interactive and collaborative teaching atmosphere in class.