Large LED Display: This Digital Alarm Clock features a 5.6inch large LED mirror display, making it easy to read; One of the best alarm clocks for bedrooms due to its simplicity, this premium digital clock is something you'll enjoy waking up to every morning USB Powered and Built-in Backup Battery: This Bedside Clock includes a charging USB cable our smart clock for your convenience for powering, A built-in button battery for saving your clock-settings in case of power outages; Time display support both 12hrs and 24 hrs format Dual Alarms with Snooze: Dual alarms make it possible to set two separate wake-up times. Snooze time can be set, do not need manually to turn off the alarm clock. Wake you at different times, make your life easy and more convenient Adjustable Brightness: 4 Levels Adjustable Brightness. LED Large Digital Display, Clear and Comfortable Visual Sense, it will auto dim during 10:00pm-6:00am. When plugged with USB cable, the LED light will be on always. By pressing the button of "SNOOZELIGHT" the display can keep lighting for 5 seconds Stylish and Simple Design:Stylish and simple mini mirror alarm clock can decorate your bedroom, living room, but also can be used as a mirror when needed.