Radio Controlled Atomic Clock

Continuously synchronizes with Atomic Clock at NIST (National Institute of Standards and Technology).

Automatically adjusts for Daylight Savings Time. 11.5" x 7.5" x .5". Month/Day Calendar, Thermomiter, Alarm and Snooze. US Time Zone Indicator. Great fro eBay users - eBay is synchronized with atomic time. Requires two AA Batteries.