. Sharp's BIG PAD HC1 range enables ultra-clear 4K Reading of detailed 4K screen data & makes presenting really easy with an intuitive Pen-on-Paper user experience. It has a highly responsive interactive display that allows group work at the screen & a range of smart collaboration features including an integrated Android PC with whiteboard overlay & wireless functionality. Whether teaching & training working in a meeting room or reviewing detailed documents it is great for enabling more effective learning promoting idea sharing & encouraging interactivity..