Chaney 75312 Aurora Atomix Wall Clock This Aurora Wall Clock by Chaney is has convex molded lens and a white dial and black Arabic numbers and black hands. Using the same technology NASA does to tell time, Atomix clocks wirelessly synchronize with the National Institute of Standards and Technologys atomic clock in Boulder Colorado. In addition to daily confirming the time, these clocks automatically adjust for Daylight Saving Time and run up to two years on a single AA battery. Measures 15.75 X 13.5 X 9.5