elo touch screen no display.This touch screen is equipped with an outer frame on the front of the display, and a circuit board is designed in the outer frame, so that infrared transmitting tubes and infrared receiving tubes are arranged on the four sides of the screen, one by one to form a crosswise infrared matrix.

elo touch screen no display.This touch screen is equipped with an outer frame on the front of the display, and a circuit board is designed in the outer frame, so that infrared transmitting tubes and infrared receiving tubes are arranged on the four sides of the screen, one by one to form a crosswise infrared matrix. 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.