Reading is an extremely comfortable process, but not every lighting equipment provides a pleasant environment for it. Memo provides a new solution for reading under good illumination conditions in dim lighting environments. Due to its unique structure and optical designs, Memo illuminates uniformly the front desktop area by providing stable auxiliary lighting from a position close to the desktop, also with high accuracy. Memo features electric power storage functions and good portability, which applies well to different situations. These characters ensure comfortable reading anytime and better protect the eyesight of readers.