Digital Mirror Alarm Clock - Large LED Screen Displaying Time, Temperature and Date - USB Powered - Elegant Black Design for Home or Office

The digital wall clock features clear, bright, and eye-catching contrast numbers. 3 Adjustable Brightness Levels: The digital wall clock can adjust the brightness of the numbers automatically or manually. Multifunctional Large Display Digital Wall Clock, including time, date, humidity, temperature (switchable between ℃ and ℉), and alarm functions. As you know, LED displays consume a lot of power. If you are using only batteries, you will need to replace them frequently. The digital wall clock is silent and won't cause any noise that could disturb studying or resting, making it a good choice for classrooms.