Clear multifunction display This USBpowered digital alarm clock provides a single clear screen that shows time, date, temperature, and the day of the week for easy reference. brightness Four brightness levels let you tailor the display to your surroundings, ensuring comfortable visibility by day or night. Display modes Two display modes are available. By holding the plus button, you can view the time and the day of the week together, or switch to a circular layout for convenient viewing. Reliable time memory function The clock preserves accurate time settings during power outages thanks to its dual power source capabilities. Use scenarios Bedroom bedside: Place it on a nightstand to quickly see time, date, temperature, and day at a glance, with brightness adjusted for night viewing. Office desk: Keep it on your workspace to track time and date, monitor room temperature, and adjust brightness for comfortable daytime use. Kitchen or dorm room: Use it on a counter or study area for fast time checks and daily planning, with reliable time accuracy during outages.