Small Digital Wall Clock with Digits - The LED wall clock features 2.7 inch digits. Large digital display makes it easy to read the time from across the room. It is very suitable for the elderly, seniors, or people with impaired vision as it can clearly show the time. Two Power Supplies - Powered by plug-in or 3 AAA batteries (not included). In battery-powered mode, the clock has voice control. When you make any kind of sound or click the clock, the screen will automatically display the time for 10 seconds to save power. 3-Level Adjustable Brightness - The LED digital clock is equipped with a 3-level brightness display. The wall clock is also equipped with a night mode that can adjust the low brightness from 10 PM-6 AM, saving energy, protecting the environment, and creating a comfortable sleeping environment. Two Display Modes - large digital and small wall clock provides 2 display modes to choose from, one shows only time and weekday; the other is time, weekday, date, temperature cycle display. BEST ROOM DECORATION AND GIFT CHOICE - This digital clock has a stylish and modern design that can be easily hung or placed on the table. Whether you use it in the office, bedroom, or living room, this clock will seamlessly blend into your decor and is the most meaningful gift for yourself, family, and friends. Color: Black + Red letters Material: ABS Size: 21.5 x 3 x 11 cm Package Contents: 1 x Alarm Clock 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.