Always accurate within one second!

This Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute! Always accurate to within one second as it receives daily WWVB updates. The outdoor sensor transmits outside temperature to the clock with no installation required. You’ll have the time, temperature and calendar in one big 3.3” LED display!

Now $39.25, down from $59.99!