【6.7 inch Large LED Mirror Display】: Our digital alarm clock comes with a 6.7 inch large LED mirror display so you can see the time clearly even you are 30 feet away from your room. At the same time, this alarm clock can be used as a makeup mirror that will keep you beautiful all day long. The acrylic mirror is specially treated and will not be easily scratched. 【Multifunctional Clocks & Large Alarm Snooze】This is a smart desk clock with °C temperature, 12-hour and 24-hour time, date mode and snooze functions. The snooze button is located in a convenient central location, you can easily turn off the alarm without opening your eyes to get 5 minutes of sleep time. To prevent oversleeping, the alarm will sound every 5 minutes until it is completely turned off, which is a good choice for heavy sleepers. Default in 5 minutes, 1-60 minutes can be set.【2-Level Adjustable Brightness】: This mirror clock has 2 levels of brightness, you can get a comfortable brightness; and the LED light will automatically dim during your sleeping time to protect your eyes at night and save energy. No blinding lights or annoying sounds to disturb your sleep, creates a peaceful environment for sleeping. It is dark between 6pm and 6am (default), the time can be set by yourself.【USB Powered】: With the USB power cable (included), you can connect it to any usb port to power the alarm. The alarm screen will always be displayed when you select USB to power the alarm.【Memory Function】: The memory function can save the alarm settings and requires 3 AAA batteries (not included). When power is restored after a power outage, there is no need to set the alarm again. If the alarm is powered only by battery, it will enter power saving mode. After 16 seconds, press any button to turn the display off and on again.