Modern LED mirror alarm clock with large number: Size: 15.1 cm x 1.2 cm x 7.5 cm. Designed in a mirror surface style, you can use it as a mirror for your beauty and make-up while looking at the time. Clear and large time: you can see the time from a distance, ideal for families, especially for the elderly. Adjustable brightness: the alarm clock provides adjustable brightness, can be manually or automatically adjusted to a comfortable brightness and the LED light is automatically dimmed during sleep time to protect your eyes at night and to save energy. Create a peaceful sleeping environment for you. Double alarms and snooze function: The alarm clock can set two alarms to wake you up at different times. When the alarm sounds, you can press the snooze button and get an additional 5 minutes of sleep. The digital clock alerts every 5 minutes until you turn off the snooze mode by pressing other buttons. USB alarm clock and additional storage battery: Alarm clock: The built-in mini lithium battery CR2016 helps to save all settings. You do not need to reset the time when power off. We offer an additional USB port as a backup, on the back of the digital clock you can charge your phone.