Rise and shine with a Sony alarm clock radio. While a large easy-to-read backlit LCD display with jumbo LEDs make reading the time from across the room a snap a battery back-up is also there to ensure that you never miss an important appointment or meeting again!

Adjustable brightness control
Battery Back up will be found at the bottom of the unitinside the uncovered Square channel where the battery inserts with a thin adapter.
For more details and reference please see diagram A of page.1 in the manual provided below