Digital Chess Clock (Black)This GameTimer brings extra excitement and dynamics to any game played between two players. With its handy top buttons and large display, the DGT1001 is very easy to program and intuitive to use. It features a, one period countdown and ,one period, count up timer which can be set between 1 second and 9 hours and 30 minutes. The clock switches from one player to the other player when one of the two levers is pressed.