Large LED display and mirror design This digital alarm clock comes with a 4.5 inch large display and large font so you can easily read the digital display. This new upgraded digital alarm clock adds a mirror design on the original base. Besides using it as an excellent alarm clock, you can also use it as an exquisite mirror and place it in your dressing table or bedside. 5 display modes and working day mode The upgraded version of the bedroom clock has 5 display modes: mode clock, alarm mode, date mode, temperature mode, night mode, which can meet your daily needs. It also comes with three working day alarm modes. You can set the time range: Monday to Friday, Monday to Saturday, and Monday to Sunday. Dual Feeding Methods This mirror surface LED clock supports USB power supply and AAA power supply. It has time memory function when using AAA; When powered by USB only, there is no memory function after power off. Night mode and 3 brightness Provides 3 different brightness levels, which can be manually or automatically adjusted to a comfortable brightness to protect your eyes and save energy at night. When the alarm clock is powered by AAA, the display will automatically turn off after 16 seconds without any operation. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.