Adjustable brightness alarm clock: The alarm clock adopts high sensitivity photosensitive sensor, which can automatically adjust the screen brightness according to the ambient light or manually adjust the brightness in 3 light-medium-dark levels, which is suitable better in your eyes. Large Screen: Bedside alarm clock, 15.8 x 8.5 x 1.2 cm mirror screen, clearly visible LED display, let you easily check the time. If you don't like sleeping under light at night, you can place the alarm face down while you sleep. Digital clocks are silent unlike mechanical alarm clocks which keep running affecting your sleep quality. Memory function and dual USB ports: when the external power is off, the retention time and various parameters remain unchanged to avoid repeated adjustments next time. Dual USB ports allow you to charge two devices at the same time, saying goodbye to the embarrassing situation of running out of battery while playing on the bed. Does not work on batteries. SNOOZE FUNCTION: The large snooze button makes it easy to turn off the ringer, but you don't have to open your eyes to get five minutes of sleep. The clock rings every 5 minutes and the default snooze time is 2 minutes until you press another key to turn off snooze mode. You can also set the snooze time by yourself. Digital Clock Mirror: The alarm clock is combined with a makeup mirror, you can also use it as a beautiful mirror while watching the time, and it also allows you to apply makeup at any time.