Time Timer Original 8 inch; 60 Minute Visual Timer &ndash; Classroom Or Meeting Countdown Clock for Kids and Adults (Black) Time Management - use this 60 minute analog countdown clock to stay on task, assists with organization and concentration. As time expires, the visible display of the red-disk disappears in clockwise direction. Wall mount or can stand on desktop / flat surface with foldable feet Quiet Operation - No loud ticking provides the silence and focus for chore lists, school, homework, and other activities. Ideal for special needs, children, parents, teachers, office staff / professionals, and students Audible Alert - the optional alarm signal when time is up can be turned off for sound-sensitive environments Special Needs - Time Timer's discreet visual timing design helps encourage independence and productivity for those with disabilities or special needs such as autism or adhd Requires one AA battery (not included). 7.75 inches X 1.75 inches X 7.75 inches