Traceable® Analog Radio Atomic Wall Clock
By ControlHands instantly move to exact time! This Traceable® Clock automatically sets itself and is accurate to 1/10,000 of a second. It adjusts for daylight saving time and leaps seconds (earth rotation wobble corrections). Bright second sweep hand is highly visible.
To assure accuracy an individually serial-numbered Traceable® Certificate is provided. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology).
Supplied with Traceable® Certificate, wall mount, screw, and AA battery.