A. The sweep second hand does not produce annoying noise, being completely tick-tock sound free, which makes it suitable for working and sleeping environments. B. The twin bell design and a mini-hammer contribute to an extra loud ringing, making it suitable for heavy sleepers. It does not have a snooze function and can serve as a good wake-up alarm for those who have trouble waking up. C. If you need to check the time in the dark, simply press the backlight button, and a soft yellow light will illuminate the time. D. The retro twin bell alarm clock with a classic style remains popular. E. 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. Product size: 11.6*17.1*5.8CM