Description: Mute & On time: Built in silent scanning movement, the alarm clock is silent, and accurate time, providing you a good rest or working environment. Quality Material: The cartoon alarm clock is made of high quality acrylic, which is strong, scratch resistant, durable, nonfading, and nondeformed. Battery Operated: Powered by 1x AA battery (Not included), which is more practical and convenient. It is very convenient to operate. Early Education Clock: This cartoon Early childhood education learning alarm clock come with hour, minute and second hands, which can teach your Kids to view easily, quickly recognize the time, rich in information, eye catching. Widely Used: Perfect for classrooms, kids bedroom, living room, nursery, school and playroom. Specification: Material: Acrylic Diameter: 10inch Package Includes: 1 Clock Note: Please allow slightly errors due to manual measurement and different monitors.