cloud touch interactive flat panel display.(4) Discovering inductive (Dispersive Signal Technology): as 3M invention , the main principles of tempered glass with a touch on the base , the vibration wave transmitted to the inside of the glass-induction and four corners of the controller to determine the touch location. The advantage is that it is not affected by surface dirt and scratches , and can be applied to large sizes ( above 32 inches ). The disadvantages are that it cannot be multi-touched , the price is high , and the integration of upstream and downstream industries is incomplete.

cloud touch interactive flat panel display.(4) Discovering inductive (Dispersive Signal Technology): as 3M invention , the main principles of tempered glass with a touch on the base , the vibration wave transmitted to the inside of the glass-induction and four corners of the controller to determine the touch location. The advantage is that it is not affected by surface dirt and scratches , and can be applied to large sizes ( above 32 inches ). The disadvantages are that it cannot be multi-touched , the price is high , and the integration of upstream and downstream industries is incomplete. 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.