⏰Wooden Clock Displays Date, Time (12/24), Temperature (F&C) and Humidity; 3 easy to configure and program alarm settings. Suitable for home or office decoration. ⏰Adjustable Brightness: The electronic alarm clock has 3 brightness levels and premium lighting. You can choose the most comfortable brightness for your eyes. ⏰Sound Control: The electronic clock has a sound control function. Any tapping or sound above 60 dB near the clock will wake up the LED alarm clock. The screen will automatically turn off after 10 seconds, which does not bother you not while sleeping at night. Of course, you can also set the alarm clock to continuous brightness. ⏰Dual Power Supply: It can be powered by USB cable (WITHOUT adapter) or four AAA batteries (not included). When the alarm clock is battery operated, it will automatically turn off after a period of time to save battery power. he can be reactivated by sound or touch signal. The clock will be on all the time if via USB. ●It is recommended to use an adapter to power the alarm clock