Chess Timer Professional Digital International Chess Clock Wooden Count Up Down Chess Timer Portable Chess Timer _x000D_ For Chess Games: It does not require batteries, is driven by a clockwork, and is easy to use, similar to the working mode of a quartz clock. It is a timing tool used in most chess games in European and American countries. _x000D_ Mechanical Structure: The mechanical structure with timing start button is adopted to make timing operation intuitive, convenient and accurate. _x000D_ Special Maintenance: The chess clock should avoid contact with corrosive materials, and avoid exposure to sunlight, rain, drops and places near strong magnetic fields. _x000D_ High Precision: The daily error is no more than 1 second, suitable for timing clocks in various chess games. _x000D_ Wooden Material: Made of wooden material and plastic, strong and durable, not easy to break. Wooden color design, exquisite workmanship. _x000D_ _x000D_ Colour: wood color _x000D_ Material: wood + plastic _x000D_ Size: 15x5.5x9cm _x000D_ _x000D_ Package Contents: _x000D_ 1 * Chess Timer _x000D_ _x000D_ Only the above package content, other products are not included. _x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_