Usage Tips:Time Management -- What can you get done in 60 minutes? 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. visual timer feature a blue disc making it easy for 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 for 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:blackMaterial:ABSSize:8.8 x 8.8 x 5.4cmPackage Contents:1X Visual Timer(2XAAA batteries Not Included)1X English manualOnly 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.