Time Management -- What can you get done in 60 minutes? Improve time management, percompatible withm 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. visual timer feature a blue disc making it easy compatible with children to understand the passage of time visually. Set the tone to loud or low, and the alarm time to 3 or 60 seconds. Applications -- Great compatible with classroom, home, and office settings. Makes an excellent classroom timer, countdown timer, study timer, toddler timer, kids timer, silent timer, kitchen timer, timer clock, time tracker, and more! Colour:black Material:ABS Size:8.8 x 8.8 x 5.4cm Package Contents: 1X Visual Timer(2XAAA batteries Not Included) 1X English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.