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. 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. 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!, Weight: 0.3086471668 Pounds, Manufacturer: Jaywool