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. 513Perfect after sales service: If you have any quality issues or do not like it after receiving it, please contact us and we provide free return and exchange services Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store