This digital alarm clock not only has 2 display modes (12/24H), temperature(C/F) and humidity display, but also comes with 3 groups of alarm settable. Each alarm sounds for 1 minute, ensuring to wake you up even in the deepest sleep.Under energy saving mode, the display will turn off automatically after 15 seconds. When you clap hands with close distance or touch the clock, it will be woken up. Remember when powered by 4 batteries, it can't enter in the voice-activated mode.3 levels brightness can be manual selected for this electric wooden clock. The soft lighting is user-friendly at night, which won't be too harsh for your eyes.With modern simplicity design, no buttons or plastic parts located on the front and four sides of the alarm clock.