For Chess Games: This clockwork-operated timing tool does not require batteries and functions similarly to a quartz clock. It is commonly used in chess games across European and American countries. Mechanical Structure: Features a mechanical design with a timing button for intuitive and convenient operation. Maintenance: Avoid contact with corrosive materials, exposure to sunlight, rain, or placement near strong magnetic fields. High Precision: Daily time error is no more than 1 second, making it suitable for accurate timing in chess games. Material: Constructed from wood and plastic, ensuring 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 above. Other accessories are not included. Note: Lighting and display differences may cause slight variations in color compared to the actual item. Measurement may vary by 1-3 cm.