Thomas Traceable Analog Radio Atomic Wall Clock

• Accurate to 1/10,000 of a second
• Automatically adjusts for daylight savings time
• Large digits are easy to read, even from far away

Clock receives a controlling radio signal from NIST’s atomic clock in Colorado to maintain accuracy and automatically adjust for daylight savings time and leap seconds (earth rotation wobble corrections). Each clock comes with a Traceable Certificate, wall mount, screw and AA battery. Dimensions: 12″ diameter, 2″ deep.