Two power options - Powered by a plug-in or 3 AAA batteries (not included). In battery-powered mode, the clock features voice control. When you make a sound or click the clock, the screen automatically lights up to display the time for 10 seconds to conserve power. Small digital wall clock with large numbers - The LED wall clock has large 2.7-inch numbers. The large digital display makes it easy to read the time from across the room. It is very suitable for the elderly, seniors, or visually impaired as it clearly displays the time. Two display modes: Large digital clock and small wall clock offer two display modes to choose from; one displays only the time and day of the week; The other displays the time, day of the week, date, and temperature cycle. 3-Level Adjustable Brightness - The LED digital clock features a 3-level brightness display. The wall clock also has a night mode, which can set the brightness to low from 10:00 PM to 6:00 AM, saving energy, protecting the environment, and creating a comfortable sleeping environment. BEST ROOM DECORATION AND GIFT CHOICE - This digital clock features a stylish and modern design that can be easily hung on the wall or placed on a shelf. Whether you use it in your office, bedroom, or living room, this clock will blend seamlessly into your home decor and is a meaningful gift for you, your family, and your friends.