Functions. Please refer to the manual to set the timer, alarm clock and clock. Function 1: It can be used as a kitchen timer, fitness timer, study timer, work timer, etc. Function 2: It can be used as a bedside alarm clock, desk alarm clock, teaching alarm clock, etc. Function 3: Can be used in bedroom, living room, office, school, etc. Colorful Countdown Progress Bar. The circular screen has an arc-shaped progress bar that disappears as time passes. It can clearly display the remaining time, making the time more three-dimensional. Digital Electronic Screen. Clear numbers make it easier to read the time and manage time. In case of power failure, you need to replace 2 AAA batteries. Mechanical Rotary Knob. The rotary knob on the top makes it easy to set the time. A time management tool that children, students and adults can all use. Ergonomic Design. Can stand stably on a flat surface. Rounded corners are safer and more comfortable to touch. Small and lightweight body is convenient to carry. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.