what is a touch screen displays.The early infrared touch screen appeared in 1992 with a resolution of only 32 ?? 32. The first-generation infrared touch technology has low resolution, is susceptible to environmental interference and malfunctions, and requires use in a certain shading environment. Because of these limitations, infrared touch screens once faded from the market.

what is a touch screen displays.The early infrared touch screen appeared in 1992 with a resolution of only 32 ?? 32. The first-generation infrared touch technology has low resolution, is susceptible to environmental interference and malfunctions, and requires use in a certain shading environment. Because of these limitations, infrared touch screens once faded from the market. 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.