LED screen The children's alarm clock has a 6.3 inch LED screen. The screen turns off after a few seconds when on batteries. It can display time, date and temperature by changing the mode. The time display supports both 12 hour and 24 hour formats. The large LED digital display gives you a clear and comfortable visual impression. The screen will turn off after a few seconds when on batteries. Temperature Display and Adjustable Brightness The digital clock has a temperature display ( / ). You can use the Down key to switch to the temperature display of or . The automatic brightness adjustment function can set the automatic brightness period according to your needs. Snooze alarms The table clock has the alarm function, and there are three modes for Meet all your time needs: Monday-Saturday, Monday-Sunday, Monday-Friday. The alarm clock has a snooze function. The snooze time can be set according to your habits. Rechargeable by USB or Battery PoweredElectronic clocks can be powered by USB cable or 3 AAA batteries (not included). Using the battery can save your clock settings in the event of a power outage. When using dry batteries, you can activate the screen with voice, the display will automatically turn off after 16s. Voice controlDigital clock, you can use voice control to open the screen when using AAA battery, convenient for night use. In addition, the screen automatically turns off after 16 seconds of inactivity.