CHESS CLOCK: Professional digital timer with count up/count down, maximum up to 10 hours, available for Chinese chess, international chess and other board games. ALARM FUNCTION: This chess clock an alarm clock when time is up. You can turn on/off the alarm clock, easy setting, lightweight, memory setting. LARGE HIGH DEFINITION DISPLAY: This chess clock has a large high definition display, eye-catching colors, accurate, easy to read. ECO CHESS CLOCK: This chess clock is made of premium electronic components and ABS shell, which is environmentally friendly and . Battery: 2 AAA batteries (does not contain) Color: yellow Material: plastic Size: 14 x 8.8 x 4.5 cm Package Contents: 2 x Chess Clock Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.