1. Silent Non Ticking: The sweep second hand does not produce any annoying noise, being completely free of tick-tock sounds and suitable for working and sleeping environments. 2. Extra Loud Ringing: The twin bell design and a mini-hammer provide an extra loud ringing, which is suitable for heavy sleepers. It does not have a snooze function and serves as a good wake-up alarm for those who have trouble waking up. 3. Light Function: If you need to check the time in the dark, simply press the backlight button, and a soft yellow light will illuminate the time. 4. Retro Design: The retro twin bell alarm clock with a classic style remains popular. 5. Easy To Set: A simple On/Off switch initiates the alarm setting. Turn the knobs to set the clock time and alarm time. Press the button to activate the backlight in the darkness. 6. Product size: 11.6*17.1*5.8CM