Interesting Pattern Design: Visual timer is ideal for classroom use or kitchen cooking. Practical Ways to Improve Efficiency: Time passage is displayed visibly, similar to an hourglass, making it easy to understand for users of all ages. Unlike digital timers, there's no need to read numbers—just glance at the countdown to see remaining time. Extremely Easy to Use: Simply turn the knob to set the time. Rotate clockwise to increase and counterclockwise to decrease. To disable the alarm, turn the knob slightly clockwise and then back to zero. Non-Ticking & Adjustable Alarm: Advanced internal mechanism ensures near-silent operation, allowing focus without distractions. Alarm can be set to active or inactive mode, with ringing duration adjustable between 3 seconds and 60 seconds. Suitable for Multiple Occasions: Ideal for classrooms, kitchens, beauty routines, yoga, work sessions, exercise, group games, or managing screen time. Note: This visual timer requires 2 x AAA batteries (not included). Color: Blue Material: ABS Size: Approximately 8 x 7.8 x 5 cm Package Contents: 1 x 60 Minute Visual Timer Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.