Description: Suitable for Chinese Chess, International Chess Game and Chess Checkers Games and Other Board Game Playing. Highly accurate clock, it has 6 parameters: positive timing, countdown, delay and bonus, alarm and quit settings When clock start work, if you press the left button, the right side start timing; if the press right button, the left side start timing Manual sets will not disappear in the system when you power off/on the clock Clock can be used for nearly every competitive two-player board game, especial board chess game or training Low power consumption(Battery not included) Specification: Material: Plastic Size(LxWxH): 200x115x75mm/7.87x4.52x2.95inch. Color: Blue Package Includes: 1 Piece Chess Game Clock Timer Note: Need 2x AA batteries. Due to manual measurement, there may be 1-2mm error in size. Due to the difference between different monitors, the picture may not reflect the actual color of the item.