Chicago Lighthouse 12- 3/4 " Radio Control Clock - Analog - Quartz - Atomic
item #: ILC67300302
Atomic wall clock is radio-controlled so the setting is modified each day to that of the atomic clock, accurate to one second per million years. The clock automatically adjusts to Daylight Saving Time. Wall clock includes hanging hardware and runs on one AA battery (sold separately). Clock body is made with recycled material.