CHESS CLOCK: Professional digital timer with count up and countdown function, supports up to 10 hours, suitable for chess, Chinese chess, and other board games. ALARM FUNCTION: Built-in alarm alerts when time runs out. Alarm can be turned on or off. Easy setup with memory function. LARGE HIGH DEFINITION DISPLAY: Features a large, clear display with vibrant colors and high accuracy for easy reading. ECO-FRIENDLY DESIGN: Made with premium electronic components and ABS plastic shell, durable and environmentally friendly. BATTERY: Requires 2 AAA batteries (not included). Color: Black Material: Plastic Size: 14 x 8.8 x 4.5 cm Package Contents: 1 x Chess Clock Note: Other items not included. Due to lighting and screen differences, the actual color may vary slightly from the image. Measurement error allowed within +/- 1-3 cm.