La Crosse Technology WT-3143A-INT 14-Inch Atomic Wall Clock, Black

Sets automatically by radio signal to atomic clock for accuracy
Reports in hours, minutes, seconds; select from 4 U.S. time zones
Automatically adjusts for daylight savings time
14-inch diameter; analog clock; plastic frame
Works with 1 AA alkaline battery (not included) OR, additional battery compartment for longer, lasting power