Usage Tips:Time Management Tool: The 60-minute visual timer assists in improving concentration and activity productivity. You can finish tasks efficiently. Farewell to procrastination and developing a sense of time Easy Timer: Twist the setting knob clockwise to set the countdown time you need and concentrate on your task and wait for the colored disk disappearing Visual Timer Kids and Adults: It is an awesome visual timer for toddlers, kids, adults, and seniors. The visible timer is also friendly for ADHD or autism because of its simple operability and readability No Ticking Sound: The Pomodoro timer runs silently. Make you concentrate on your task Optional Audible Alert: You don't need to worry that the ticking noise makes you disturbed. The visual timer has 3 alarm modes: mute, low, and loud. You can choose the various alarm modes on different occasions Wide Applications: This countdown timer can be applied on different occasions. Such as you use at home, in the kitchen, at school, in the classroom, and at work. It will be a nice kitchen timer, classroom timer, work timer and study timer Specifications: Material: ABS, PC, silicone Power supply: 2*AAA (not included) Product size: 9.3*9.3*5.3cm