Digital Mirror Alarm Clock, LED Alarm Clock with Snooze Function, for Bedroom Office Large Digital Screen: 3 inch large LED digital screen, clear and comfortable visual sensor, it will automatically dim for 10:00 p.m. to 6:00 a.m. When plugged in with a USB cable, the LED light will always be on. By pressing the "Snoozelight" button, the screen can stay on for 5 seconds. Quiet Sleep Environment: Unlike mechanical alarm clock which keeps ticking, affects your sleep quality. Our clock is silent, allowing you to get rid of the noise of the night and sleep peacefully. Power & Battery: This bedside clock includes USB charging cable for your power convenience, built-in #7 battery (not included) to save your settings in case of power failure. The time display supports both 12 hour and 24 hour formats. Alarms with Snooze: Alarms allow you to set two wake-up times. Snooze time can be set, no need to manually turn off the alarm clock. Wake you up at different times, make your life easier and more convenient. Elegant and simple design: size: 162.56cm, stylish and simple mini alarm clock that can decorate your bedroom, living room, also can be used as a mirror if needed.