4K IR Multi-touch Conference Meeting TV Smart Board 4K UHD (3840 X 2160) RESOLUTION Interactive LED comes with 4K UHD Resolution providing much more detailed and less pixel visible images than 1080p. This means even smoother edges and depth â?? in fact when combined with faster screen refresh rates, 4K has the potential to deliver almost as much depth as 3D â?? without the need for glasses. 20 POINTS (IR TOUCH) Beten Interactive LED display comes with 20-points IR Touch feature which gives multiple users the ability to drag, drop, swipe, throw, rotate, and size images. Enable an interactive and collaborative atmosphere in classroom and meeting room. Easy-to-Use Built-in Multi-language Software Built-in Whiteboard software under Android system allow to write, erase, insert documents or images etc.The annotation page can create QR Code to share and sweep away. Powerful dual system Beten Interactive LED Display comes pre-installed with a powerful Android 8.0 and windows system along with built in software to make your meetings, conferences and trainings more interactive. It features a browser, file explorer and annotation software.