Time Management - What can you done in 60 minutes time management, tasks effectively, complete your work, and encourage productive learning with the 60- 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 . Makes an 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.