Large LED Display: This digital alarm clock features a 5.6-inch large LED mirror display, which is easy to read; One of the best alarm clocks for bedrooms due to its simplicity, this premium digital clock will make you happy to wake up every morningUSB POWERED AND BATTERY OPERATED: This bedside alarm clock comes with a USB charging cable for your convenient powering. Built-in rechargeable battery ensures a long standby time after fully charged. (Note: If the device is running on batteries only, the alarm clock screen is not always on. Please keep the USB cable plugged in at all times if you want the screen to stay on all the time.)Dual alarms with snooze: Dual alarms allow you to set two separate wake-up times. Snooze time can be set, do not need to manually turn off the alarm clock. Wake up at different times, make your life easy and convenientAdjustable brightness: 4 brightness levels adjustable. Large LED display, clear and comfortable visual perception, automatic dimming from 10:00pm to 6:00am. When a USB cable is connected, the LED is always on. By pressing the "SNOOZELIGHT" button, the display can be illuminated for 5 secondsStylish and Simple Design: Size: 14.56.53.2 CM (5.72.561.26 inch), The stylish and simple mini mirror alarm clock can decorate your bedroom and living room, but it can also be used as a mirror if necessary.