Make reading fun with this digital timer bookmark! Set a countdown timer with alarm that alerts readers when they have completed their required reading time or use the cumulative timer, which stores up to 100 hours of reading time over multiple sessions until the reader chooses to delete it. Replacable watch battery included. Assorted bright colors (blue, pink, purple, red, yellow and green) provided with your order. Measures 7 3/4" x 1 3/4."