The brand-new DGT North American clock uses 10 built-in algorithms to give a complete range of timing choices, plus elegant design to satisfy the most demanding chess player. Even multi-period delay settings are easy! Quick-set options permit instant set-up. Manual programming options are fast and intuitive and are automatically stored in memory. Of course our new digital timer is a superb chess clock, but it also times any two-person board game-like go, shogi, checkers, and Scrabble . All the bells and whistles, together with DGT's reputation for quality and accuracy!Time options: time, time + guillotine, 2 X + guillotine, time + repeating time, bonus ("Fischer") options, time + bonus, 2 X time + bonus, bonus single period, bonus tournament.Requires two AA batteries, included.Clock dimensions: 71/2'' long X 2'' high X 4'' deep.* Set delay controls for two or even three time periods!* Quick and easy to set and program!* Choose quick-set options for the 13 most popular controls* Set any control manually, fast!* Turn move counter on and off in any option* Super-easy to correct both time and move count* Sound-alert option warns of time trouble* Signals a low battery* 16 contrast settings adjust for any lighting* 2-year warranty against manufacturing defects