Emerson SmartSet Single Alarm AM/FM Clock Radio with Battery Back-Up - Patented SmartSet Auto Time Setting Technology - Automatically Adjusts for Daylight Savings Time and Leap Year - Display Month/Date at the Touch of a Button - Easy-to-Read, 0.9" Green LED Display - Choice of 3 Alarm Modes: Every Day, Weekends Only, Weekdays Only - Battery Back-Up System (Lithium Battery Included).