Small Digital Wall Clock with Large Numbers - The LED wall clock has 2.7 inch large numbers. The large digital display makes it easy to read the time from across the room. It is perfect for the elderly, people with poor eyesight or those who want a clear time display. Two power modes - Powered by plug or 3 AAA batteries (not included). In battery operation, the clock has voice control. When you make any sound or click on the clock, the screen will automatically light up to display the time for 10 seconds to save power. 3-level adjustable brightness - The digital LED clock is equipped with a 3-level brightness. The wall clock also has a night mode that can adjust the low brightness from 10:00 PM to 6:00 AM, which saves energy, protects the environment and creates a comfortable sleeping environment. Two display modes - The large digital wall clock offers 2 display modes to choose from: one only shows the time and day of the week, while the other shows the time, week, date and temperature cycle. Perfect Decor and Gift - This digital clock has a sleek and modern design that can be easily hung or placed on the table. Whether you use it in your office, bedroom or living room, this clock will blend seamlessly into your decor and is a perfect 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 contents, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.