Alarm clock for kids: 10cm (4.3 inch), it is a mini size alarm clock. Can be placed on your child's bedside table or table to remind the time, perfect as special gift for kids, teens Silent alarm clock for children: the children's alarm clock works 100% silently. The bed is always quiet and ensures the quality of your child's sleep. Night light function: press the top button, the light will turn on to illuminate the dial and show the time clearly in a dark environment, which provides you with convenience for the time you see in the night.< /p> Time Accuracy: Our analog alarm clock uses a durable and eco-friendly metal shell made of sturdy and collision-resistant ABS plastic, stable dial with precise quartz movement that ensures accurate time. Best Gift: Christmas, birthday or back to school gift alarm clock. Helps your child get up on time and makes every new morning a happy experience.