No loud ticking! This 60-minute countdown timer features a green disc that allows learners to “see” time and an optional audible alert. With it's magnetic back and foldable feet, the timer can be displayed a multitude of ways. Includes a 152mm x 112mm (6” x 4.4”) Dry Erase Activity card that can be slotted into the top of the timer for visual schedules and time-to-task management. Two AA batteries required for operation (not included).