Screens are backlit and usually about the size of a large paperback book.
The devices use page-turning systems rather than scrolling, and use touch screen technology for searching, bookmarking, highlighting, annotating and font size changes. You can store approximately twenty books, more if you upgrade the memory. Dedicated e-book reading devices need specific file formats. The REB1100 and REB 1200 are handheld devices designed specifically for reading books and emulate the print book experience. Screens are backlit and usually about the size of a paperback book.