The Timex set & forget wall clock is bold and easy-to-read, making it the perfect office clock, classroom clock, or wall clock for any room of the house. Patented set & forget technology uses a built-in internal calendar to automatically spring the time forward and fall back for daylight saving time (DST). Clock features numeral indicators at every hour, minute track and second hand, topped off with a glass lens. Powered by 1 aa alkaline battery (not included). Measures 14.25-inches In diameter and 2-inches deep. One-Year limited warranty.