Large LED Display Digital Alarm Clock features a large 5.6 inch LED mirror display for easy reading. 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 This bedside clock includes a cable USB charging, our smart clock for your power convenience,Built-in battery to back up your clock settings in the event of a power outage;Time display supporting 12-hour and 24-hour formats. (Note: Please connect with USB port or ONLY with 5V/1A and 5V/2A adapter to charge the alarm clock) Dual Alarm with Snooze Two alarms can set two time snooze time can be set, you don't need to manually turn off the alarm clock. Wake you up at different times, make your life easier and more convenient Adjustable Brightness 4-level adjustable brightness. Large LED digital display, clear and comfortable visual sense. When plugged in with a USB cable, the LED light will always be on.