. Sharp\'s BIG PAD HC1 range enables ultra-clear 4K Reading of detailed 4K screen data and 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 and a range of smart collaboration features including an integrated Android PC with whiteboard overlay and wireless functionality.Whether teaching and training working in a meeting room or reviewing detailed documents it is great for enabling more effective learning promoting idea sharing and encouraging interactivity..