75 inch touch screen.Because the CCD infrared optical touch hardware device is simpler than the traditional infrared touch device , when the display size increases to 70 inches and above, the traditional infrared touch device needs to increase the number of infrared pairs. The cost of both The advantages can be flat. Thus 70 conventional infrared touch technology market inches wide or less, but 70 or more inches market, the CCD infrared optical touch superior cost-effective technology.

75 inch touch screen.Because the CCD infrared optical touch hardware device is simpler than the traditional infrared touch device , when the display size increases to 70 inches and above, the traditional infrared touch device needs to increase the number of infrared pairs. The cost of both The advantages can be flat. Thus 70 conventional infrared touch technology market inches wide or less, but 70 or more inches market, the CCD infrared optical touch superior cost-effective technology. 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.