A. The second hand makes little to no annoying noises. It has very little ticking sound, which is suitable for work and sleep environments. B. The double - bell design combined with a small hammer provides a relatively loud alarm. It is suitable for heavy sleepers. Without a snooze function, it is a good wake - up alarm for those who are hard to wake up. C. If you want to know the time in the dark, just press the backlight button, and a soft yellow light will illuminate the displayed time. D. The vintage double - bell alarm clock with a classic style is quite popular. E. Start setting the alarm clock through a simple on/off switch. Turn the knob to set the clock time and alarm time. Press the button in the dark to activate the backlight. Product dimensions: 11.6*17.1*5.8 cm