Sound control mode: Press the Down button and choose “oN:Sd”, the screen will turn off after 10 seconds. You can light up the screen by clapping your hands  or by tapping the clock. Press the Down button and choose “-:Sd” to turn off Sound control mode.

SThis digital alarm clock not only has 2 display modes (12/24H) and temperature(°C/°F) , 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. You can choose 3-level (from low to high) brightness for the most appropriate brightness to satisfy your different needs. So it can protect your eyes well.