Seiko R-Wave Radio Controlled Alarm Clock

Automatically synchronizes by radio with the atomic clocks in the U.S. Accurate to within a second in a million years and has US time zone and daylight saving time automatic adjustments. Getup & Glow feature - press a button on top of the clock and the dial lights in soft blue Automatic day and date calendar Displays alarm setting right on face Electronic beep alarm with snooze feature Approximate dimensions 5.5" x 3.75" x 2.375" Two AA batteries included