?Convenient Operation & Worry-free After-sales Service?You can easily know how to operate it through the manual.We also give away a power adapter, you don’t need to spend extra money to buy it!Atomic bomb alarm clock is very suitable for adults,teens,children, and the elderly. We provide a 90-day return service, if you are not satisfied with the product, please contact us in time, we will give you the best after-sales service!. ?USB Charger Port Design & Memorized Battery Backup?The alarm clock with usb charger port (5V/1A) can charge electronic devices. If you use it as a bedside clock, it can solve your troubles of the bedside socket.The digital alarm clocks for bedrooms has a built-in CR2032 backup battery. When the alarm clock with battery backup is not powered by AC, the screen will not display numbers, but the previous time and alarm settings will be saved, you don't need to set it again. ?7-level Brightness Setting & 12/24 Hour Mode?The loudest alarm clock has a dimming button to protect your eyes from the damage of the bright screen at night. It will not affect your sleep quality and is very suitable as a bedroom clock. The deaf alarm clock has a 12/24 hour mode, and you can choose between regular time (AM/PM) or military time according to your personal habits. Dual Alarm Clock & Snooze Function?You can set two alarm clocks for yourself according to your schedule, or you and your partner can set different alarm times, a very user-friendly design. When the alarm sounds, you can easily press the large "SNOOZE" button to get a 9-minute snooze time. You can also press the "ALARM OFF" button to turn off the alarm for 24 hours or long press the "ALARM OFF" button to permanently turn off the alarm. ?Wake by Super Bed Shaker & Loud Buzzer?Unlike other digital alarm clocks that only have one wake-up method, our extra loud alarm clock has 3 unique alarm methods:Super Strong Bed Shaker, Buzzer or Both Vibrator and Buzzer.Just adjust the "BUZZ/VIB" button to choose your favorite wake-up mode.The alarm volume is adjustable,you can set the maximum volume that can wake you up. This vibrating alarm clock with bed shaker is suitable for heavy sleepers, hard of hearing, deaf or hearing impaired. ?8.7-inch Large Display Mirror Alarm Clock——Best Gift Choice?This super loud alarm clock with a large 8.7-inch LED mirror display has large numbers and HD. Even if you place it far away from you, you can clearly see the content on the screen.When you touch the button, the digital clock for desk will not tip over easily,this is the best gift for adults and teens!.