Marathon's Atomic Digital Clock with Indoor and Outdoor temperature can be wall mounted or displayed on a desktop. With its built-in foldable stand, this clock is ideal for home, office and workstation settings. Information displayed includes: calendar, clock and temperature - all seen with one quick glance. The atomic feature calibrates time signals and self-adjusts automatically. One wireless remote sensor is included to monitor indoor / outdoor temperatures in Celsius or Fahrenheit. (Atomic feature only functions in North America)