Easy Timer for Kids and Adults:Twist the setting knob clockwise to set the countdown time you need then wait for the colored disk It is an ideal time management tool for kids and adults. Farewell to procrastination and developing a sense of time You don't need to worry that the ticking noise makes you . The timer includes 3 modes:mute ,low, and loud. You can choose the mode you need on different occasion It is an awesome visual timer for toddlers, kids, adults, and seniors. because it is simple operability and readability This countdown timer can be applied on different occasions, such as , kitchen, at school, and at work. It be a professional kitchen timer, classroom timer, study timer, and productivity timer