Aenmil Digital Clock Wooden Despertador White LED White Wooden Board Alarm Clock with Date Temperature Sound Control Digital Table Clock Powered by 3 AA Batteries or USB Cable(White Wood and LED) Time display 12-hour or 24-hour mode. Size: 15cm x 7cm x 4.5cm Displays Time, Date, and Temperature alternately. Alarm function, You can set up to 3 alarm times with "beep" lasting for 1 minute The clock can be powered by USB power supply cable or 3pcs AA Batteries (Batteries are not included) Work day set: alarm by Monday to Friday,Saturday to Sunday is closed,or alarm by Monday to Sunday.