LED Display The children's alarm clock has a 6.3-inch LED display. The display turns off after a few seconds when on battery power. It can display the time, date, and temperature by changing the mode. The time display supports 12-hour and 24-hour formats. The large LED digital display provides a clear and comfortable visual experience. The display turns off after a few seconds when on battery power. Temperature Display and Adjustable Brightness The digital clock has a temperature display (/). You can use the Down button to switch between and temperature display. The automatic brightness adjustment function allows you to set the automatic brightness period according to your needs. [Snooze Alarms] The table clock has an alarm function, and there are three modes to meet all your timekeeping needs: Monday to Saturday, Monday to Sunday, and Monday to Friday. The alarm clock has a snooze function. The snooze time can be set according to your habits. [USB Rechargeable or Battery Powered] The electronic clocks can be powered by a USB cable or 3 AAA batteries (not included). Using the battery will save your clock settings in case of a power outage. When using dry cell batteries, you can activate the screen with your voice; the display will automatically turn off after 16 seconds. [Voice Control] This digital clock allows you to use voice commands to turn on the screen when using AAA batteries, convenient for nighttime use. Additionally, the screen automatically turns off after 16 seconds of inactivity.