The elegantly designed DGT North American chess clock offers a complete range of timing choices - including time, time & delay, time & bonus (Fischer). Quick-set options permit instant set-up. Manual programming options are fast and intuitive and are automatically stored in memory. Even multi-period delay settings are easy! Suitable for chess tournament play or at home and in schools & clubs. What's in the box 1 x Chess clock; 2 x AA Batteries; Instruction Manual