The upgraded visual timer's color disc disappears counterclockwise as time passes, clearly displaying the remaining time, helping to develop a good sense of time and improve time management. Silent & Non-Ticking Function: The visual countdown timer operates without ticking, making it ideal for noise-sensitive environments. 3 alarm volumes to choose from: silent, low, loud; long alarm: 3 seconds/30 seconds; press the pause button on the top to stop the alarm. Versatile Use: Our 60-minute timer is multifunctional; it can be used as a kitchen timer, a learning timer for children, a task timer for teachers in the classroom, or a meeting timer. Easy to Use: Turn the center knob clockwise to set the desired time on the color disc, then the countdown starts. The removable silicone case is made of healthy, non-toxic and odorless materials for effective protection of the timer. Low battery reminder: If the battery is low, the indicator light will flash to remind you; 2 AAA batteries are required, but not included;