From the manufacturer
RCD30 Alarm Clock and Large 1.4-inch Display
Sometimes you just need something simple that’s easy to use. RCA has you covered with an affordable, streamlined alarm clock that offers snooze, a large, red 1.4-inch display for increased visibility, and “No Worry” battery back-up that lets you rest easy. The time and alarm indicator are clearly displayed and the high/low brightness control lets you adjust the time readout as needed.
Easy-To-Use Control Buttons
With the simple user interface and large full-width snooze button on top, mornings just got easier. Enjoy a comfortable and prolonged wake-up with the repeating snooze option, and experience zero stress when setting the time or alarm.
“No Worry” Battery Back-up
No need to worry if your power goes out unexpectedly. The battery back-up option retains the time setting and ensures alarm will sound, however, the digital display will not light. 9V battery not included.