CHESS CLOCK: Professional Digital Timer with Count up / Countdown Timer, Maximum up to 10 Hours, Available for Chinese Chess, Chess Other Board Game. ALARM FUNCTION: This chess clock will make an alarm clock when time runs out. You can turn on/off the alarm clock, easy setting, , memory setting. HIGH DEFINITION DISPLAY: This chess clock has feature as high definition display, eye-catching colors, accurate.,easy to read. ECO DURABLE CHESS CLOCK: This chess clock is made of premium electronic components ABS shell, which is eco-friendly durable. battery: 2 AAA batteries(Does not contain) Colour:yellow Material:plastic Size:14 x 8.8 x 4.5cm Package Contents: 1 Chess Clock Only the above package content, other products are not included. Note: Light different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.