60 inch touch screen tv.First, the optical touch technology is superior to the existing technology in terms of response speed and touch accuracy. Among many existing touch technologies, infrared technology has better response speed, sensitivity, and touch strength than other technologies, and it is slightly inferior to optical technology (because everyone knows that the speed of light propagation is 3 ?? 10 ^ 8m / s , the response speed is of course second to none);

60 inch touch screen tv.First, the optical touch technology is superior to the existing technology in terms of response speed and touch accuracy. Among many existing touch technologies, infrared technology has better response speed, sensitivity, and touch strength than other technologies, and it is slightly inferior to optical technology (because everyone knows that the speed of light propagation is 3 ?? 10 ^ 8m / s , the response speed is of course second to none); 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.