Features:1. Large LED Display: Our LED alarm clock displays large fonts and dates, with time alarm, time memory, and snooze functions. It can also display temperature (C/F).2. 3 Adjustable Brightness: This alarm clock provides 3 levels of brightness, and the display screen can be turned off at night. The alarm clock works silently, creating a peaceful sleeping environment.3. Dual Power Supply: The alarm clock can be powered by a USB cable or 3 x AAA batteries (batteries not included), it can also be powered by an external DC 5V power supply.4. Voice Control: When powered by 3 x AAA batteries, the display can be turned on by voice control, which is convenient for night use. 5. Power Saving Mode: Under the battery power supply, after 16 seconds of no operation, the display will automatically turn off and enter power saving mode, but the system still maintains normal timing and temperature and maintains the previous settings.Specification:Material: PlasticProduct Color: White, Green, Red Product Size: 16 x 6cm Product Weight: 170gPower Supply Way: 3 x AAA Battery or Plugged inFunction: Time Display; Date Display; Temperature Display; Alarm Clock Function; Brightness Adjustment (three Brightness Modes); Voice Control Function; Time Memory Function; Snooze Function; Power Saving Mode; Adjustable Snooze Time, Dream Sleep; Alarm Clock Work Day Mode; Night Mode Time Adjustable; Two Power Modes; Intelligent Voice Control; Simple Wake-upPackage Included:1 x LED Alarm Clock