Material: PVC. Dimensions: 3.15" x 3.15" x 3.15". Supports 12-hour and 24-hour time formats, calendar, temperature and alarms. The LED alarm clock is powered by 3 AAA batteries. Function: In addition to displaying time, alarm, date, and week, this alarm clock is also a colorful color-changing alarm clock. Package includes: 1 clock, 1 instruction manual and single box packaging. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it