Dimmer: The brightness can be adjusted manually or automatically, night mode can automatic display full bright mode during the day and reduce the brightness at night. Battery Operated Backup: Preserves the date and time in this digital wall clock in the event of any power outages, It just could keep time memory when power off, couldn't support the digital clock light up Oversize Digit Display: Easy to read, bold led digits allow you easy viewing at a glance, even you have some vision problems. Easy to Use: Use the integrated hang holes on the back of this LED light clock or the foldout kickstand for easy placement Suitable for Multiple Occasions: Large wall LED clock for Farmhouse, Kitchen, Living Room Decor, Bedroom, Classroom, , Nursing Home and other indoor/outdoor places.