DreamSky Alarm Clock Radio for Bedroom - Small Digital Clock with USB Port, Outlet Powered with Battery Backup, 0-100% Dimmable Display, Transistor FM Radio with Earphone Jack, Snooze, 12/24H
- ...p and start a refreshed new day without oversleeping..
- Outlet Powered Clock Radio Alarm with Battery Backup: the plug in desk clock radio is AC electric operated. When power goes out or emergency that causes power failure, the backup battery (not included) still lights up the clock display, power the radio clock and trigger the alarm to wake you up. But it is NOT advised to use battery as daily power since led clock drains batteries very fast..