Large LED Display and Snooze Function: This digital alarm clock features a large 6.7-inch LED display that is easy to read and ultra-thin , can also be used as a mirror. Three sets of alarm clock functions, the snooze button allows you to easily turn off the alarm clock without opening your eyes. Adjustable brightness: press UP to adjust two levels of brightness, clear and comfortable visual sense, it will automatically dim from 18:00-6:00. When plugged in with the USB cable, the LED light will be solid. Press the "DOWN" key to change the Celsius C / Fahrenheit F display. After 15 seconds, it will automatically turn off and enter the power saving mode. You can activate the screen with your voice or press any key to turn it on. Press and hold "LIGHT/SNOOZE" for 3 seconds in any mode to turn off the screen and enjoy sleep. Powered by USB or Battery: The alarm clock can be powered by USB cable or 3 AAA batteries (not included). This bedside clock includes a USB charging cable for our smart clock to provide you with convenient power; the time display supports 12-hour format and 24-hour format. Three alarms allow you to set three separate wake-up times. Snooze time can be set without manually turning off the alarm clock. Stylish and Simple Design: Dimensions: 1661.8 cm (6.32 .360.7 inches). Ultra-thin body, stylish and simple mini mirror alarm clock can decorate your bedroom and living room.