Multiple FunctionsThis digital alarm clock with two alarms, can set two different alarm times, support 12/24 hour display and / temperature display. Especially our alarm clock with countdown function from 1 to 59 minutes, good for time-limited daily activities, especially kitchen trouble. digital alarm clockUSB / Battery PoweredThis alarm clock can be powered by USB cable or 3 AAA batteries. The alarm clock enters power saving mode when using the battery for power. If you want the screen to stay on, we suggest using USB connection for power supply (plug is NOT included). digital alarm clock Intelligent screen wake-up When the digital alarm clock is in power saving mode, the screen display can be woken up by sound, shock and tap, convenient to use. digital alarm clockMultiple Placement WaysOur alarm clock has a retractable hidden stand and a magnet on the back. it can be placed directly on a flat surface, you can also remove the stand to place it, or use the back magnet to attach it to any magnetic / metal surface, such as a refrigerator. digital alarm clock Compact Design with Large Display ScreenThis small cube alarm clock with compact design3.3"x3.3"x1", takes up little space, perfect for home, office and travel. large LED display screen makes it easy to tell the time, day or night.digital alarm clock