About this item Loudness: DAXSMY's robust twin bell design ensures even the deepest sleepers awaken. Capable of lasting 50 minutes, it's powerful enough for all ages and can rouse mild hearing individuals. Manual Backlight: Control your DAXSMY clock's light with ease. Unlike automatic backlights, our manual activation prevents sleep disruption and energy waste. Adjust brightness for a better sleep experience. Silent Analog Alarm Clock: DAXSMY's noiseless mechanism guarantees peace whether sleeping or waking. Enjoy uninterrupted rest and serene mornings with this silent design. Easy to use: DAXSMY's alarm clock offers simple operation without complexity. Perfect for those valuing efficiency and simplicity in lifestyle. Vintage Design: DAXSMY's retro clock adds style to any bedroom, loved by all ages for its reliability and chic look. Battery Operated: DAXSMY runs on batteries for continuous functionality, ensuring reliability even during power outages. (One AA battery not included)