For Chess Games: This clockwork-driven timing tool requires no batteries and operates in a manner similar to a quartz clock. It is commonly used in various chess games across European and American countries. Mechanical Structure: Features a mechanical design with a timing start button for intuitive, convenient, and accurate operation. Special Maintenance: Avoid contact with corrosive materials, exposure to sunlight, rain, impacts, and areas near strong magnetic fields. High Precision: Daily error does not exceed 1 second, making it suitable for timing in various chess games. Material and Design: Constructed from wood and plastic, offering durability and resistance to damage. Features a wood-color finish with fine craftsmanship. Color: Wood color Material: Wood + Plastic Size: 15 x 5.5 x 9 cm Package Contents: 1 x Chess Timer Note: The package includes only the items listed. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.