Battery Backup Function: This alarm clock comes with built-in 2 AAA batteries, allowing it to save your settings in case of a power outage. You won't have to worry about resetting it after a power failure. Brightness Adjustment: The alarm clock comes with a built-in brightness adjuster that allows you to adjust the brightness of the digital display from 0% to 100%. Additionally, the night light can also be adjusted to 10 different levels of brightness. You can customize the brightness according to your preference, dimming the screen to a lower brightness or completely turning it off during the night to create a comfortable eye-friendly environment and improve your sleep quality. Alarm Clock with Usb Ports: This clock allows you to charge your phone or other devices while you sleep, providing both convenience and saving space on your nightstand. Snooze & 3 Alarm Types: This modern alarm clock allows you to adjust the snooze time from 1 to 15 minutes. You can customize the snooze time according to your habits, giving you extra time to recharge before starting your day's work. It will make you feel refreshed and reduce morning fatigue. Additionally, you can set the alarm clock to ring on weekday/Everyday/weekend, eliminating the need to repeatedly set the alarm clock. Super Loud Alarm Clock: This digital alarm clock has a maximum volume of 95 decibels and offers 5 levels of volume for you to choose from, ensuring you are promptly and effectively awakened even when in deep sleep. It is suitable for children, teenagers, adults, and those with severe sleep conditions. RGB Night Light: This night light alarm clock features 4 solid color lights and 3 dynamic, colorful ambiance lights. The adjustable brightness ambiance light can be used as a night light, providing a soft and comforting light in the darkness to help you fall asleep and relax your mind and body. RGB Digital Display: This alarm clock features a digital display with 4 regular colors and 4 dynamic RGB colors. You can choose different colors for the digits based on your preferences and needs, allowing the clock to match your style and showcase your unique taste and personality.