The Timex 9"" Atomic Digital Clock is perfect for any home, office or classroom. Features a self-setting atomic clock, date, day of the week, and indoor temperature (Fahrenheit or Celsius) readings. Atomic clock is radio-controlled to maintain the correct time with split-second precision, and automatically update itself for Daylight Saving Time (DST). The stylish, glossy black display stands upright for tabletop use and is wall-mountable. One-year limited warranty.