Description: 【Material】: Mechanical Chess Clock is made of wood and PP material, which is strong and wear resistant, ensuring long term performance and reliability 【Function】: Chess Clock Timer counts accurately, daily error no more than 1 second. It is suitable for timing clocks in various chess games 【Application】: Professional game timer can be used for almost all competitive board games, especially board chess games or training, such as chess, Chinese chess, chess, etc. 【Design】: This chess clock has a simple design, lightweight, easy to carry, driven by clockwork and easy to use 【Gift】: This Analog Chess Clock Timer is a creative gift for beginners and chess lovers Specification: Material: wood PP Maintenance: Chess clock should avoid contacting with corrosive objects, avoid exposure to sunlight, rain, fall and ect. Size Chart: 15cmx5.5cmx9cm/5.91inchx2.17inchx3.54inch Package Includes: 1 Chess Clock Timer Note: Please allow slightly errors 1-2cm differences due to manual measurement.