Simple ConceptOver time, the Yunbaoit upgraded visual timer's colorful disk disappears counterclockwise. It will vividly display the remaining time and help people develop good sense of time and improve time management No ticking and mute functionNo ticking when the visual countdown works, ideal for sound sensitive environments. 3 optional alert volumes: mute, low, high; lasting alarm: 3 seconds / 30 seconds. You can stop the alert by pressing the top pause button Suitable for many occasionsOur 60 minute timer is a versatile timer. It can be used as kitchen cooking timer, study timer for kids, task timer for teachers in class or meeting timer Easy to useAfter turning the middle knob clockwise, the colored disk can be adjusted to the desired time, then the timer starts counting down. The removable silicone shell is made of healthy, non-toxic and odorless materials, it can effectively protect the timer Low battery and after-sales reminderIf the battery power is low, the indicator light will flash to remind you. 2 AAA batteries.