Simple Concept: As time passes, the color disk of visual timer disappears counterclockwise; It is interesting and super easy to understand; This timer will help kids and adults develop a good sense of time and improve time management Easy to Use: By turning the center knob clockwise, the color disk can be adjusted to the desired time duration, then the kids timer starts to count down No Ticking and Mute Function: No ticking when the kids timer is working, ideal for sound-sensitive environments; 3 alert volumes optional: mute, weak, loud. Press the top button to stop the alert Suitable for Many Occasions: This 60 minute analog timer can be used in many occasions; It can be used as a kitchen timer, a study timer for kids, a task timer for teachers in the classroom, or a meeting timer Integrated Night Light: Equipped with a gentle night light, this timer doubles as a comforting light source for children’s bedrooms or as a soft ambient light in any room Specifications: Material: ABS, PC Power supply: 2*AAA batteries (not included) Product size: 8.8*8.8*5.4cm