Universal® Deluxe 13 1/2" Indoor/Outdoor Atomic Clock, 13.5" Overall Diameter, Black Case, 1 AA (sold separately)

Fully sealed, weather-resistant case and large, easy-to-read numerals on its face make this clock ideal for high-humidity, outdoor environments. Clock maintains radio contact with the National Bureau of Standards' atomic clock in Boulder, Colorado, ensuring up-to-the-minute accuracy, precision and reliability. Automatically syncs up with Daylight Savings Time changes within the continental US time zones: Eastern (EST), Central (CST), Mountain (MST) & Pacific (PST).

• Weather-resistant case and large, easy-to-read numerals.
• Maintains radio contact and automatically synchronizes with the National Bureau of Standards' atomic clock in Boulder, Colorado.
• Automatically syncs up with Daylight Savings Time changes within the continental US time zones.
• Hour, minute, and second hands sync with local time.