Outlet Powered : Plug-in for daily use; batteries just retain time and alarm settings during outages but won't power the display or alarm. Power up effortlessly: Features an extra USB charging port, keeping your phone or tablet fully charged overnight without hogging wall sockets. Simplify your bedside setup—no need for extra plugs. Stay connected and charged without the hassle. Personalized Mornings: Easily dial the volume from 30 to 90 dB with a simple roll wheel. Touch the top for a convenient 10-minute snooze. Alarm volume gradually increases, offering a gentle wake-up experience, ensuring a smoother start to your day. Turn off the alarm using a separate switch for weekends. Silent & Seamless Brightness Control: Customize brightness from 0-100% effortlessly with a roll wheel. Easily locate and adjust settings in the dark, convenience without any distracting noise. Big Alarm Clock for All Ages: LED digital alarm clock clarity, easy readability, simple operation, perfect for kids, seniors, and anyone seeking simplicity. Intuitive design makes reading time a breeze. A must-have for bedrooms or living rooms.