Introducing MTHGH XYC-98, a cutting-edge 16:9 aspect ratio touch screen presentation board featuring a stunning 3840x2160 4K screen panel, Android 13.0 system, and Intel I3, I5, I7, I9 attachable OPS PC, perfect for interactive teaching and collaboration, with 20 points touch and 1200:1 contrast ratio, ideal for schools and classrooms, welcome to visit our website!