Time Management – Improve time management, perform tasks effectively, complete your work, and encourage productive learning with the 60-minute visual classroom timer. Easy to Use – Turn the dial clockwise to adjust the time. To turn the timer off, simply turn back to zero. Requires 2 "AAA" batteries (Not Included). Kid Friendly – No distracting ticking sound. The visual timer features a blue disc making it easy for children to understand the passage of time visually. Set the alarm volume to loud or low, and the alarm duration to 3 or 60 seconds. Applications – Ideal for classroom, home, and office settings. Suitable as a classroom timer, countdown timer, study timer, toddler timer, kids timer, silent timer, kitchen timer, timer clock, time tracker, and more. Color: Black Material: ABS Size: 8.8 x 8.8 x 5.4 cm Package Contents: 1 x Visual Timer (2 x AAA batteries not included) 1 x English Manual Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement allows an error of +/- 1-3 cm.