Multi-color Rainbow Disk: A disk that gradually diminishes as time passes to show time remaining. User-friendly Design: Easy to set by turning the timer clockwise. Displays the passage of time visually. Silent Operation: Operates quietly without ticking sounds. Supports three alarm modes: Mute Flash, Low, and Loud. Daily Use: Suitable for children's study activities and adult daily tasks. Functions as a kitchen timer. Helps organize routine activities such as studying, playing, or brushing teeth. Suitable for classroom environments. Product Specifications: Color: White. Material: Plastic. Package Contents: 1 x Timer (Other items not included). Notes: Minor variations between batches do not affect performance. Lighting effects may cause slight color differences. Measurement error allowed within +/- 1-3 cm.