Loud Alarm: The alarm clock features a very loud alarm, ensuring that even deep sleepers won't oversleep. Easy operation with just two buttons for setting the time and alarm time. Noiseless Operation: No annoying ticking noise, as the clock operates silently. The creeping second hand ensures a quiet sleeping and working environment. Good Legibility: With a 4-inch dial and stereoscopic numbers, the black and white dial provides excellent contrast for clear readability. Night Light Function: A built-in night light function allows you to easily read the time in the dark. Simply press the light button to activate the LED lighting on the dial. User-Friendly Design: The wind-up clock is designed for ease of use, featuring only four buttons on the back. Two rotary knobs are provided for setting the clock and alarm, along with an alarm switch for toggling on/off. The night light button allows for convenient display of time in the dark, making it very user-friendly.