Strategy Games -Chess Clock Stopwatch Black Case Highlights Generic Chess Clock Stopwatch Black Case Description: Suitable for Chinese chess, international chess and board games. Press the left button, the left timer stops the timer and the right timer starts the timer, and vice versa. Simultaneously press two buttons halfway, the two timers are in the shutdown state, insert the clip to ensure the shutdown state. Wrap your hands before you start and press the top buttons to track time during the game. Made of durable, safe, eco-friendly and durable ABS plastic case. Specification: Material: Plastic Size (LxWxH): 15.5cm x 4cm x 8cm. x 1.57in. x 3.15in. Black color Package includes: 1 chess piece Note: No battery needed, the product is a wind up clock. Due to manual measurement, there may be 1-2mm error in the size. Due to the difference between different monitors, the picture may not reflect the actual color of the item.