21.5-75 Inch 2K 4K LED Display for Advertising Screen Panel Sign

It has screen capture, layer technology and graphics editing functions; Turn static graphics into dynamic, more vivid and intuitive. It can also replay the operation content to improve the teaching level and quality. Unlimited page writing function; Handwriting recognition function, you can select the recognition language in the existing language package of the operating system, and then write.

Mouse function: the electronic pen tip is equivalent to the left mouse button, and the pen body button is equivalent to the right mouse button. Use electronic pen to realize mouse click, double click, select, drag, right click and other functions; Restore and update the content of interactive electronic whiteboard. Auxiliary tools: directly use the board shortcut toolbar to realize screen content amplification, spotlight, screen masking, view snapshot, view blackboard script, screen calibration, and use customized functions to call computer applications or access the set web page at any time.