55 inch touch screen displays.The fourth feature of the surface acoustic wave touch screen is that the control card can know what is dust and water droplets, what are fingers, and how much are touching. Because: With the accuracy of 4096 x 4096 x 256 levels of touch by our fingers, the touch data of 48 times per second cannot be constant, and the dust or water droplets are not changed at all. The controller finds a "touch "After the appearance of the wrinkles does not change for more than three seconds, it is automatically recognized as an interference.

55 inch touch screen displays.The fourth feature of the surface acoustic wave touch screen is that the control card can know what is dust and water droplets, what are fingers, and how much are touching. Because: With the accuracy of 4096 x 4096 x 256 levels of touch by our fingers, the touch data of 48 times per second cannot be constant, and the dust or water droplets are not changed at all. The controller finds a "touch "After the appearance of the wrinkles does not change for more than three seconds, it is automatically recognized as an interference. 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.