Marathon's Super-Jumbo Atomic Wall Clock is one of our largest models. Measuring 19 x 15.5 inches with 6.5-Inch-tall numbers makes this clock extremely easy to read, even at a distance. The atomic feature ensures that the time, day and date are always accurate. It adjusts automatically for daylight savings (this option can be turned on or off). Full Calendar Weekday can be displayed in one of the 3 languages (English, French, & Spanish). This Clock also has Indoor temperature and humidity. It can be wall mounted or displayed on a desktop with its built-in foldable stand, making it ideal for home, office and workstation settings. It features a sleek, modern design that looks great with all styles of decor. Experience a genuine Marathon clock... Best in the long run. (Atomic feature only functions in North America)