touch screen board for schools.However, OGS still faces issues of strength and processing costs. Because the OGS protective glass and the touch screen are integrated together, it usually needs to be strengthened first, then coated, etched, and finally cut. Cutting on reinforced glass in this way is very troublesome, with high cost and low yield, and causes some capillary cracks to form on the edge of the glass. These cracks reduce the strength of the glass. The current lack of strength has become an important factor restricting the development of OGS .

touch screen board for schools.However, OGS still faces issues of strength and processing costs. Because the OGS protective glass and the touch screen are integrated together, it usually needs to be strengthened first, then coated, etched, and finally cut. Cutting on reinforced glass in this way is very troublesome, with high cost and low yield, and causes some capillary cracks to form on the edge of the glass. These cracks reduce the strength of the glass. The current lack of strength has become an important factor restricting the development of OGS . 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.