Large Digital DisplayThe digital clock is equipped with a 9.1" LED display, a large digital display and the numbers are moderately spaced, clear to read, allowing you to check the time clearly even from a distance and from all angles. Besides, you can see the numbers on the screen clearly even at night. 3 Alarm ModesThis digital alarm clock can not only be hung on the wall, but also placed on the desk, providing a good vision for the elderly, children and adults, and getting the time information accurately and clearly. 3 Alarm modes to choose when you want to wake up at a fixed time: 1-5 for Monday to Friday alarm, 1-6 for Monday to Sunday alarm, 1-7 for Monday to Sunday alarm. Adjustable Brightness & Auto Night ModeThis large LED display alarm clock comes with 3-level brightness adjustment according to your needs. In addition, you can also adjust the brightness automatically; it will automatically dim by default between 10:00 PM and 6:00 AM. In addition, the plug-in LED digital wall clock supports Daylight Saving Time. 2 Groups of Alarms & Snooze Function 2 Group alarms allow you to set separate wake-up times. When the alarm sounds, long press any button to turn off the alarm and enter the next alarm state. Short press any button to start snooze. Note: The "long press" mentioned above is a long press lasts 3 seconds, and 5 seconds without operation automatically condescending the exit. USB and Battery Powered The LED digital wall clock is powered by 3 AAA batteries (not included) or USB cable (included). NOTE: We use the battery only, it will have the time memory function and voice control function, but only use the USB cable, it will not have both functions. You can choose to use USB to load If you want the Alarm screen to always be On. 1 2 3