2.5-inch large colorful number suitable for children, the elderly, and visually impaired individuals, check the time at a glance even from a distance. Easy to set and read by intuitive 12 hour standard mode and AM/PM indicat. Full range 0-100% brightness adjustable, even completely black out the screen. No need to worry about too bright affecting sleep. 30-90db alarm volume to choose from, gradually increase the ringtone not suddenly sound to scare you. Easy to get 10 minutes of snooze by touching the top, no annoying noise generated. The extra usb charging port can charge your phone or other electronic devices, no additional sockets required & reduce desktop clutter! Outlet Powered : Plug-in for daily use; batteries just retain time and alarm settings during outages but won't power the display or alarm. Modern, sleek looking alarm clock to bring the feeling of youth. Perfectly for all room decoration. Adding this rainbow colorful clock to your room, bring some color to your life!  Colorful Bold Digit with Fully Dimmable Display The 7.5” LED display can be dim as you like, perfect for light-sensitive sleeper. Stylish multi-color bright numbers against the black background for easy reading of the time from any angle. Perfect gift for grandpa and grandma, parents or any others have poor sight.    Adjustable Volume Level (30-90DB) The alarm volume can be adjusted via a volume dial on the back according to your personal preference. One simple ON/OFF button allows you to disable the alarm on the weekend and turn on when your workdays. Easy Snooze & Simple Control Designed with absolute simplicity in mind, single alarm, you will have no trouble to set/use it. The alarm has a snooze sensor on the top of the clock that is easy to use; you only need to touch it to activate the snooze function.  AC Powered with One USB Charging Port The electronic alarm clock only works when it is plugged in. When outlet power outage, the 2 x AAA batteries(not included) will preserve the alarm and time setting. Helps you avoid the trouble of resetting. When the power is back, the clock will continue to function and display the right time. Please note, in this situation, the display will not light on and alarm will not sound.  Specifications Time display: 12-hour time format Alarm: last for 2 minutes Snooze: every 10 minutes Product Size: 7in(length)*1.5in(width)*3in(height)  What You Can Get 1* Welgo Black Digital Alarm Clock 1* USB cable (5.9 in) 1* USB adapter 1* User manual