Vktech&reg; LED 7 Color Glowing Change Digital Calendar Alarm Thermometer Snooze Clock Cube Glowing LED with 7 color changeable LCD screen powered by 2 x AG13 batteries (included) LED powered by 4 x AAA batteries (not included) Material: PVC, Size:3.03*3.03*3.03 inches/ 7.7*7.7*7.7cm Support 12-hour and 24-hour time format, calendar, alarm and temperature Display Time ,Data Week and Temperature