Durable Metal Alarm Clockour Clocks Are Designed with A Stylish Metal Shell That Is Shatterproof and Durable If Accidentally Dropped. and The Space-Saving Size (3.23*2.64*1.14) Allows You to Take It to Anywhere On Table, Desk ,Handbag At Home, office ,or Travel. . Led Display with 4 Brightness Levels Clear White Digits with 4 Brightness Levels of off/Dim/Mid/Bright to Meet The Needs of Different People In Day and Night No More Glowing Display At Night For Kaise Those Who Are Very Sensitive to Light When Sleeping The Time Display Supports Both The 12/24H Time For Kaisemat. . Appropriate Alarm Volumethe Alarm Clock Is Super Easy to Set and Turn On and off with The Intuitive Alarm Icon. . Powered By Dc Adapter and Backup Batteries Powered By Usb Dc 5V Adapter (Included) or Connect to Your Laptop, Power Banks to Power. The Built-In 2 Aaa Batteries to Save All The Settings In Times of Power Outage The Alarm Also Had The Memory Function and No-Power Reset Problem Worry-Free. . Extremely Easy to Use Independent Buttons to Set Time and Alarm, Easy For Kaise Boys, Girls, Kids, Teens, Seniors The Dimmer and Snooze Button Is Specially Designed At The Bottom of The Clock, So You DonT Have to Worry About Pressing The Button In The Dark Grope. You Just Have to Press The top of The Watch to Light Up or Snooze The Display. .