Clear multifunction display This USB powered digital alarm clock shows the time, date, temperature, and week on a single clear screen for easy reference. brightness Four brightness levels let you adjust the display to match your surroundings, ensuring comfortable visibility during both day and night. Display modes Hold the plus button to switch between two convenient views: time and week shown together, or a circular format for quick reading. Reliable time memory function The clock maintains accurate time settings even during power outages thanks to its dual power source capabilities. 23 practical use scenarios Bedroom nightstand: View time, date, temperature, and week at a glance in a single clear display. Four brightness levels let you set comfortable visibility for nighttime use without disturbing a partner. Home or office desk: Keep track of time and date during work or study sessions. The two display modes offer flexible viewing, whether you prefer time plus week or a circular layout. Dorm room or guest space with variable power: The dual power source design helps preserve accurate time settings during outages, ensuring you always wake on time. Key attributes Function: displays time, date, temperature, and week on one screen; adjustable brightness; two display modes. Compatibility: USB powered with dual power source capability for reliable operation during power interruptions. Size and form: compact digital alarm clock suitable for bedside, desk, or small spaces (no size specification provided). Material and build: standard digital alarm clock construction (no material specification provided). Performance: clear, easytoread display with quick mode switching and dependable time memory during outages.