?Plug-in Alarm Clock & 12/24-Hour Format?The alarm clock for heavy sleepers adults plug in the adapter (included) to power the digital clocks bedside. Additionally, you can easily switch between the 12-hour and 24-hour time format with a simple click. ?5 Day/7 Day Alarm Mode & 9 Min Snooze Time?- Our digital alarm clocks bedside with 2 alarm working modes to choose from (Daily and Weekday Mode) to plan your work and life reasonably. The 9-minute snooze time allows you to catch a few extra minutes of sleep before starting your day. If there is no operation within 10 minutes of the alarm sounding, the alarm sounds will be turned off automatically. ?DST & Battery Backup Function?- This bedroom LED bedside clock comes with built-in 2 AAA batteries, allowing it to save your settings in case of a power outage. Also the alarm clock for heavy sleepers adults with DST function ,It automatically switches between daylight saving time/winter time.You won't have to worry about resetting it after a power failure. ?RGB Night Light? This night light digital 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 loud features a digital display with 6 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. ?Super Loud Alarm Clock?- This loud alarm clock for heavy sleepers boasts a maximum volume of 120dB, ensuring that you'll be awakened promptly and effectively while you're asleep. It's suitable for children, teenagers, adults, and those with severe sleeping conditions. ?15 Wake-Up Sounds?- Our alarm clocks for bedrooms offers you 15 different wake-up sounds, catering to your preferences for various music styles, rhythms, or sounds, ensuring you wake up in the morning the way you like.